Home / 3,116,723,757.92-4,301,082,932.76-1,687,797,327.68

Finding the Fourth Proportional to 3,116,723,757.92, 4,301,082,932.76 and 1,687,797,327.68

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Solution

The fourth proportional to 3,116,723,757.92, 4,301,082,932.76 and 1,687,797,327.68 is: 2,329,162,557.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,723,757.92 : 4,301,082,932.76 = 1,687,797,327.68 : x
  2. Step 2: Convert to fraction form
    3,116,723,757.92/4,301,082,932.76 = 1,687,797,327.68/x
  3. Step 3: Cross multiply
    3,116,723,757.92x = 4,301,082,932.76 × 1,687,797,327.68
  4. Step 4: Simplify right side
    3,116,723,757.92x = 7,259,356,280,042,385,408
  5. Step 5: Solve for x
    x = 7,259,356,280,042,385,408/3,116,723,757.92
  6. Step 6: Final answer
    x = 2,329,162,557.83

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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.