How much is 6 Billion Brasil cruzeiros in USD?

To convert 6 billion Brazilian cruzeiros to USD, you need to know the exchange rate at the time of conversion. The cruzeiro was replaced by the Brazilian real in 1994, so you would need to use the historical exchange rate from that period. If you provide a specific date or rate, I can help with the calculation. However, as of now, the cruzeiro is no longer in use, making direct conversion impractical.