Finding the Fourth Proportional to 12,752,414,495,870, 19,128,621,743,804 and 12,752,414,495,870

Step by Step Solution

1. Step 1: Write the proportion equation
   12,752,414,495,870 : 19,128,621,743,804 = 12,752,414,495,870 : x
2. Step 2: Convert to fraction form
   12,752,414,495,870/19,128,621,743,804 = 12,752,414,495,870/x
3. Step 3: Cross multiply
   12,752,414,495,870x = 19,128,621,743,804 × 12,752,414,495,870
4. Step 4: Simplify right side
   12,752,414,495,870x = 243,936,113,211,700,197,801,852,928
5. Step 5: Solve for x
   x = 243,936,113,211,700,197,801,852,928/12,752,414,495,870
6. Step 6: Final answer
   x = 19,128,621,743,804