Home / 747,998,543.28-1,032,218,188.92-417,976,394.16

Finding the Fourth Proportional to 747,998,543.28, 1,032,218,188.92 and 417,976,394.16

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Solution

The fourth proportional to 747,998,543.28, 1,032,218,188.92 and 417,976,394.16 is: 576,796,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,998,543.28 : 1,032,218,188.92 = 417,976,394.16 : x
  2. Step 2: Convert to fraction form
    747,998,543.28/1,032,218,188.92 = 417,976,394.16/x
  3. Step 3: Cross multiply
    747,998,543.28x = 1,032,218,188.92 × 417,976,394.16
  4. Step 4: Simplify right side
    747,998,543.28x = 431,442,836,591,147,264
  5. Step 5: Solve for x
    x = 431,442,836,591,147,264/747,998,543.28
  6. Step 6: Final answer
    x = 576,796,359.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.