Since 1 Indian Rupee is equal to 3.464941089992902 Pakistani Rupees, we could say that n Indian Rupees are equal to 3.464941089992902 times n Pakistani Rupees. In other words, we could use the following formula:
Pakistani Rupees = Indian Rupees x 3.464941089992902
For example, let's say that we want to convert 2.0 Indian Rupees to Pakistani Rupees. Then, we just replace Indian Rupees in the abovementioned formula with 2.0:
Pakistani Rupees = 2.0 x 3.464941089992902
That is, 2.0 Indian Rupees are equal to 6.929882179985804 Pakistani Rupees.