Home / 814,165,999.26-1,218,167,294.25-482,351,222.94

Finding the Fourth Proportional to 814,165,999.26, 1,218,167,294.25 and 482,351,222.94

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Solution

The fourth proportional to 814,165,999.26, 1,218,167,294.25 and 482,351,222.94 is: 721,701,083.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,165,999.26 : 1,218,167,294.25 = 482,351,222.94 : x
  2. Step 2: Convert to fraction form
    814,165,999.26/1,218,167,294.25 = 482,351,222.94/x
  3. Step 3: Cross multiply
    814,165,999.26x = 1,218,167,294.25 × 482,351,222.94
  4. Step 4: Simplify right side
    814,165,999.26x = 587,584,484,126,998,272
  5. Step 5: Solve for x
    x = 587,584,484,126,998,272/814,165,999.26
  6. Step 6: Final answer
    x = 721,701,083.88

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1.5x scale

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.