Since 1 Canadian Dollar is equal to 4.28723084729 Brazilian Reais, we could say that n Canadian Dollars are equal to 4.28723084729 times n Brazilian Reais. In other words, we could use the following formula:
Brazilian Reais = Canadian Dollars x 4.28723084729
For example, let's say that we want to convert 2 Canadian Dollars to Brazilian Reais. Then, we just replace Canadian Dollars in the abovementioned formula with 2:
Brazilian Reais = 2 x 4.28723084729
That is, 2 Canadian Dollars are equal to 8.57446169458 Brazilian Reais.