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Finding the Fourth Proportional to 922,752,025.60, 1,384,128,038.40 and 881,937,356.80

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Solution

The fourth proportional to 922,752,025.60, 1,384,128,038.40 and 881,937,356.80 is: 1,322,906,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,752,025.60 : 1,384,128,038.40 = 881,937,356.80 : x
  2. Step 2: Convert to fraction form
    922,752,025.60/1,384,128,038.40 = 881,937,356.80/x
  3. Step 3: Cross multiply
    922,752,025.60x = 1,384,128,038.40 × 881,937,356.80
  4. Step 4: Simplify right side
    922,752,025.60x = 1,220,714,223,659,265,024
  5. Step 5: Solve for x
    x = 1,220,714,223,659,265,024/922,752,025.60
  6. Step 6: Final answer
    x = 1,322,906,035.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.