Home / 538,229,701.80-807,722,466.30-231,741,772.20

Finding the Fourth Proportional to 538,229,701.80, 807,722,466.30 and 231,741,772.20

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Solution

The fourth proportional to 538,229,701.80, 807,722,466.30 and 231,741,772.20 is: 347,775,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,229,701.80 : 807,722,466.30 = 231,741,772.20 : x
  2. Step 2: Convert to fraction form
    538,229,701.80/807,722,466.30 = 231,741,772.20/x
  3. Step 3: Cross multiply
    538,229,701.80x = 807,722,466.30 × 231,741,772.20
  4. Step 4: Simplify right side
    538,229,701.80x = 187,183,035,786,116,768
  5. Step 5: Solve for x
    x = 187,183,035,786,116,768/538,229,701.80
  6. Step 6: Final answer
    x = 347,775,373.90

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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.