Since 1 Hong Kong Dollar is equal to 26.90154077414506 Guyanaese Dollars, we could say that n Hong Kong Dollars are equal to 26.90154077414506 times n Guyanaese Dollars. In other words, we could use the following formula:
Guyanaese Dollars = Hong Kong Dollars x 26.90154077414506
For example, let's say that we want to convert 2.0 Hong Kong Dollars to Guyanaese Dollars. Then, we just replace Hong Kong Dollars in the abovementioned formula with 2.0:
Guyanaese Dollars = 2.0 x 26.90154077414506
That is, 2.0 Hong Kong Dollars are equal to 53.80308154829012 Guyanaese Dollars.