Finding the Fourth Proportional to 12,752,414,496,326, 19,128,621,744,490 and 12,752,414,496,326

Step by Step Solution

1. Step 1: Write the proportion equation
   12,752,414,496,326 : 19,128,621,744,490 = 12,752,414,496,326 : x
2. Step 2: Convert to fraction form
   12,752,414,496,326/19,128,621,744,490 = 12,752,414,496,326/x
3. Step 3: Cross multiply
   12,752,414,496,326x = 19,128,621,744,490 × 12,752,414,496,326
4. Step 4: Simplify right side
   12,752,414,496,326x = 243,936,113,229,171,025,250,353,152
5. Step 5: Solve for x
   x = 243,936,113,229,171,025,250,353,152/12,752,414,496,326
6. Step 6: Final answer
   x = 19,128,621,744,490