Home / 815,999,654.61-1,126,119,476.79-458,879,824.62

Finding the Fourth Proportional to 815,999,654.61, 1,126,119,476.79 and 458,879,824.62

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Solution

The fourth proportional to 815,999,654.61, 1,126,119,476.79 and 458,879,824.62 is: 633,276,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,999,654.61 : 1,126,119,476.79 = 458,879,824.62 : x
  2. Step 2: Convert to fraction form
    815,999,654.61/1,126,119,476.79 = 458,879,824.62/x
  3. Step 3: Cross multiply
    815,999,654.61x = 1,126,119,476.79 × 458,879,824.62
  4. Step 4: Simplify right side
    815,999,654.61x = 516,753,508,010,561,344
  5. Step 5: Solve for x
    x = 516,753,508,010,561,344/815,999,654.61
  6. Step 6: Final answer
    x = 633,276,625.90

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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.