Home / 747,998,545.28-1,032,218,191.68-417,976,396.16

Finding the Fourth Proportional to 747,998,545.28, 1,032,218,191.68 and 417,976,396.16

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Solution

The fourth proportional to 747,998,545.28, 1,032,218,191.68 and 417,976,396.16 is: 576,796,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,998,545.28 : 1,032,218,191.68 = 417,976,396.16 : x
  2. Step 2: Convert to fraction form
    747,998,545.28/1,032,218,191.68 = 417,976,396.16/x
  3. Step 3: Cross multiply
    747,998,545.28x = 1,032,218,191.68 × 417,976,396.16
  4. Step 4: Simplify right side
    747,998,545.28x = 431,442,839,809,198,528
  5. Step 5: Solve for x
    x = 431,442,839,809,198,528/747,998,545.28
  6. Step 6: Final answer
    x = 576,796,362.15

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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.