Home / 472,392,948.80-708,589,423.20-443,695,134.80

Finding the Fourth Proportional to 472,392,948.80, 708,589,423.20 and 443,695,134.80

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Solution

The fourth proportional to 472,392,948.80, 708,589,423.20 and 443,695,134.80 is: 665,542,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,948.80 : 708,589,423.20 = 443,695,134.80 : x
  2. Step 2: Convert to fraction form
    472,392,948.80/708,589,423.20 = 443,695,134.80/x
  3. Step 3: Cross multiply
    472,392,948.80x = 708,589,423.20 × 443,695,134.80
  4. Step 4: Simplify right side
    472,392,948.80x = 314,397,679,644,578,304
  5. Step 5: Solve for x
    x = 314,397,679,644,578,304/472,392,948.80
  6. Step 6: Final answer
    x = 665,542,702.20

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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.