As of 3 November 2014, the IMF reports official reserve assets to be $3.192B.  Foreign currency reserves (in convertible foreign currencies) are $2.675B.  Securities are $2.577B with total currency and deposits at $94.9M.  Securities with other national central banks (BIS and IMF) are $81.10M.  Securities with banks headquartered outside the reporting country $13.80M.  SDRs are at $245.5M.  Gold reserves (including gold deposits and, if appropriate, gold swapped) reported at $271.4M with volume in millions of fine Troy ounces at $200k.  Other reserve assets are financial derivatives valued at $2.7M.
Question: How many more billion did the IMF report the official reserve assets to be compared to foreign currency reserves?
Answer: .517