Home / 951,586,932.30-1,427,348,989.85-391,329,372.30

Finding the Fourth Proportional to 951,586,932.30, 1,427,348,989.85 and 391,329,372.30

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Solution

The fourth proportional to 951,586,932.30, 1,427,348,989.85 and 391,329,372.30 is: 586,981,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,586,932.30 : 1,427,348,989.85 = 391,329,372.30 : x
  2. Step 2: Convert to fraction form
    951,586,932.30/1,427,348,989.85 = 391,329,372.30/x
  3. Step 3: Cross multiply
    951,586,932.30x = 1,427,348,989.85 × 391,329,372.30
  4. Step 4: Simplify right side
    951,586,932.30x = 558,563,584,249,082,944
  5. Step 5: Solve for x
    x = 558,563,584,249,082,944/951,586,932.30
  6. Step 6: Final answer
    x = 586,981,142.02

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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.