Home / 462,981,701.27-638,915,447.70-251,288,607.89

Finding the Fourth Proportional to 462,981,701.27, 638,915,447.70 and 251,288,607.89

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Solution

The fourth proportional to 462,981,701.27, 638,915,447.70 and 251,288,607.89 is: 346,778,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,981,701.27 : 638,915,447.70 = 251,288,607.89 : x
  2. Step 2: Convert to fraction form
    462,981,701.27/638,915,447.70 = 251,288,607.89/x
  3. Step 3: Cross multiply
    462,981,701.27x = 638,915,447.70 × 251,288,607.89
  4. Step 4: Simplify right side
    462,981,701.27x = 160,552,173,413,546,400
  5. Step 5: Solve for x
    x = 160,552,173,413,546,400/462,981,701.27
  6. Step 6: Final answer
    x = 346,778,658.79

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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.