Home / 579,920,744.20-869,881,116.30-321,931,726.60

Finding the Fourth Proportional to 579,920,744.20, 869,881,116.30 and 321,931,726.60

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Solution

The fourth proportional to 579,920,744.20, 869,881,116.30 and 321,931,726.60 is: 482,897,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,920,744.20 : 869,881,116.30 = 321,931,726.60 : x
  2. Step 2: Convert to fraction form
    579,920,744.20/869,881,116.30 = 321,931,726.60/x
  3. Step 3: Cross multiply
    579,920,744.20x = 869,881,116.30 × 321,931,726.60
  4. Step 4: Simplify right side
    579,920,744.20x = 280,042,329,707,194,400
  5. Step 5: Solve for x
    x = 280,042,329,707,194,400/579,920,744.20
  6. Step 6: Final answer
    x = 482,897,589.90

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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.