Home / 538,281,919.80-807,800,793.30-231,793,990.20

Finding the Fourth Proportional to 538,281,919.80, 807,800,793.30 and 231,793,990.20

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Solution

The fourth proportional to 538,281,919.80, 807,800,793.30 and 231,793,990.20 is: 347,853,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,281,919.80 : 807,800,793.30 = 231,793,990.20 : x
  2. Step 2: Convert to fraction form
    538,281,919.80/807,800,793.30 = 231,793,990.20/x
  3. Step 3: Cross multiply
    538,281,919.80x = 807,800,793.30 × 231,793,990.20
  4. Step 4: Simplify right side
    538,281,919.80x = 187,243,369,165,732,416
  5. Step 5: Solve for x
    x = 187,243,369,165,732,416/538,281,919.80
  6. Step 6: Final answer
    x = 347,853,721.77

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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.