Home / 482,454,472.40-721,855,503.44-285,823,451.12

Finding the Fourth Proportional to 482,454,472.40, 721,855,503.44 and 285,823,451.12

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Solution

The fourth proportional to 482,454,472.40, 721,855,503.44 and 285,823,451.12 is: 427,653,266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,454,472.40 : 721,855,503.44 = 285,823,451.12 : x
  2. Step 2: Convert to fraction form
    482,454,472.40/721,855,503.44 = 285,823,451.12/x
  3. Step 3: Cross multiply
    482,454,472.40x = 721,855,503.44 × 285,823,451.12
  4. Step 4: Simplify right side
    482,454,472.40x = 206,323,231,198,147,424
  5. Step 5: Solve for x
    x = 206,323,231,198,147,424/482,454,472.40
  6. Step 6: Final answer
    x = 427,653,266.79

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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.