Home / 568,169,790.12-783,851,221.17-329,974,426.62

Finding the Fourth Proportional to 568,169,790.12, 783,851,221.17 and 329,974,426.62

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Solution

The fourth proportional to 568,169,790.12, 783,851,221.17 and 329,974,426.62 is: 455,235,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,169,790.12 : 783,851,221.17 = 329,974,426.62 : x
  2. Step 2: Convert to fraction form
    568,169,790.12/783,851,221.17 = 329,974,426.62/x
  3. Step 3: Cross multiply
    568,169,790.12x = 783,851,221.17 × 329,974,426.62
  4. Step 4: Simplify right side
    568,169,790.12x = 258,650,857,260,957,536
  5. Step 5: Solve for x
    x = 258,650,857,260,957,536/568,169,790.12
  6. Step 6: Final answer
    x = 455,235,145.83

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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.