Home / 538,281,881.80-807,800,736.30-231,793,952.20

Finding the Fourth Proportional to 538,281,881.80, 807,800,736.30 and 231,793,952.20

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Solution

The fourth proportional to 538,281,881.80, 807,800,736.30 and 231,793,952.20 is: 347,853,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,281,881.80 : 807,800,736.30 = 231,793,952.20 : x
  2. Step 2: Convert to fraction form
    538,281,881.80/807,800,736.30 = 231,793,952.20/x
  3. Step 3: Cross multiply
    538,281,881.80x = 807,800,736.30 × 231,793,952.20
  4. Step 4: Simplify right side
    538,281,881.80x = 187,243,325,257,046,976
  5. Step 5: Solve for x
    x = 187,243,325,257,046,976/538,281,881.80
  6. Step 6: Final answer
    x = 347,853,664.76

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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.