Finding the Fourth Proportional to 408,147,624,116.10, 611,119,440,116.55 and 408,147,624,116.10

Step by Step Solution

1. Step 1: Write the proportion equation
   408,147,624,116.10 : 611,119,440,116.55 = 408,147,624,116.10 : x
2. Step 2: Convert to fraction form
   408,147,624,116.10/611,119,440,116.55 = 408,147,624,116.10/x
3. Step 3: Cross multiply
   408,147,624,116.10x = 611,119,440,116.55 × 408,147,624,116.10
4. Step 4: Simplify right side
   408,147,624,116.10x = 249,426,947,534,731,140,399,104
5. Step 5: Solve for x
   x = 249,426,947,534,731,140,399,104/408,147,624,116.10
6. Step 6: Final answer
   x = 611,119,440,116.55