Home / 614,653,491.42-921,981,811.77-251,147,847.42

Finding the Fourth Proportional to 614,653,491.42, 921,981,811.77 and 251,147,847.42

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Solution

The fourth proportional to 614,653,491.42, 921,981,811.77 and 251,147,847.42 is: 376,722,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,653,491.42 : 921,981,811.77 = 251,147,847.42 : x
  2. Step 2: Convert to fraction form
    614,653,491.42/921,981,811.77 = 251,147,847.42/x
  3. Step 3: Cross multiply
    614,653,491.42x = 921,981,811.77 × 251,147,847.42
  4. Step 4: Simplify right side
    614,653,491.42x = 231,553,747,386,427,104
  5. Step 5: Solve for x
    x = 231,553,747,386,427,104/614,653,491.42
  6. Step 6: Final answer
    x = 376,722,414.53

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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.