Finding the Fourth Proportional to 978,870,713.38, 1,350,874,213.94 and 549,783,618.53

Step by Step Solution

1. Step 1: Write the proportion equation
   978,870,713.38 : 1,350,874,213.94 = 549,783,618.53 : x
2. Step 2: Convert to fraction form
   978,870,713.38/1,350,874,213.94 = 549,783,618.53/x
3. Step 3: Cross multiply
   978,870,713.38x = 1,350,874,213.94 × 549,783,618.53
4. Step 4: Simplify right side
   978,870,713.38x = 742,688,513,518,802,560
5. Step 5: Solve for x
   x = 742,688,513,518,802,560/978,870,713.38
6. Step 6: Final answer
   x = 758,719,719.95