Since 1 Solomon Islands Dollar is equal to 25.658067715917017 Guyanaese Dollars, we could say that n Solomon Islands Dollars are equal to 25.658067715917017 times n Guyanaese Dollars. In other words, we could use the following formula:
Guyanaese Dollars = Solomon Islands Dollars x 25.658067715917017
For example, let's say that we want to convert 2.0 Solomon Islands Dollars to Guyanaese Dollars. Then, we just replace Solomon Islands Dollars in the abovementioned formula with 2.0:
Guyanaese Dollars = 2.0 x 25.658067715917017
That is, 2.0 Solomon Islands Dollars are equal to 51.316135431834034 Guyanaese Dollars.