Home / 614,653,494.92-921,981,817.02-251,147,850.92

Finding the Fourth Proportional to 614,653,494.92, 921,981,817.02 and 251,147,850.92

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Solution

The fourth proportional to 614,653,494.92, 921,981,817.02 and 251,147,850.92 is: 376,722,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,653,494.92 : 921,981,817.02 = 251,147,850.92 : x
  2. Step 2: Convert to fraction form
    614,653,494.92/921,981,817.02 = 251,147,850.92/x
  3. Step 3: Cross multiply
    614,653,494.92x = 921,981,817.02 × 251,147,850.92
  4. Step 4: Simplify right side
    614,653,494.92x = 231,553,751,931,889,664
  5. Step 5: Solve for x
    x = 231,553,751,931,889,664/614,653,494.92
  6. Step 6: Final answer
    x = 376,722,419.78

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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.