Home / 951,586,909.92-1,427,348,956.16-391,329,349.92

Finding the Fourth Proportional to 951,586,909.92, 1,427,348,956.16 and 391,329,349.92

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Solution

The fourth proportional to 951,586,909.92, 1,427,348,956.16 and 391,329,349.92 is: 586,981,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,586,909.92 : 1,427,348,956.16 = 391,329,349.92 : x
  2. Step 2: Convert to fraction form
    951,586,909.92/1,427,348,956.16 = 391,329,349.92/x
  3. Step 3: Cross multiply
    951,586,909.92x = 1,427,348,956.16 × 391,329,349.92
  4. Step 4: Simplify right side
    951,586,909.92x = 558,563,539,123,083,456
  5. Step 5: Solve for x
    x = 558,563,539,123,083,456/951,586,909.92
  6. Step 6: Final answer
    x = 586,981,108.40

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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.