Home / 534,135,909.60-801,203,864.40-396,386,402.40

Finding the Fourth Proportional to 534,135,909.60, 801,203,864.40 and 396,386,402.40

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Solution

The fourth proportional to 534,135,909.60, 801,203,864.40 and 396,386,402.40 is: 594,579,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,135,909.60 : 801,203,864.40 = 396,386,402.40 : x
  2. Step 2: Convert to fraction form
    534,135,909.60/801,203,864.40 = 396,386,402.40/x
  3. Step 3: Cross multiply
    534,135,909.60x = 801,203,864.40 × 396,386,402.40
  4. Step 4: Simplify right side
    534,135,909.60x = 317,586,317,398,493,376
  5. Step 5: Solve for x
    x = 317,586,317,398,493,376/534,135,909.60
  6. Step 6: Final answer
    x = 594,579,603.60

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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.