Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Rank | Company | Country | Industry | Revenue in USD |
| --- | --- | --- | --- | --- |
| 1.0 | Royal Dutch Shell | Netherlands † | Petroleum | $481.7 billion |
| 2.0 | Walmart | United States | Retail | $469.2 billion |
| 3.0 | ExxonMobil | United States | Petroleum | $449.9 billion |
| 4.0 | Sinopec | China | Petroleum | $428.2 billion |
| 5.0 | China National Petroleum Corporation | China | Petroleum | $408.6 billion |
| 6.0 | BP | United Kingdom | Petroleum | $388.3 billion |
| 7.0 | State Grid Corporation of China | China | Power | $298.4 billion |
| 8.0 | Toyota | Japan | Automobiles | $265.7 billion |
| 9.0 | Volkswagen | Germany | Automobiles | $247.6 billion |
| 10.0 | Total | France | Petroleum | $234.3 billion |
Question:
What is the rank of the petroleum company who has a revenue of $481.7 billion?
Answer:
1.0