Home / 538,088,020.20-807,132,030.30-492,171,517.80

Finding the Fourth Proportional to 538,088,020.20, 807,132,030.30 and 492,171,517.80

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Solution

The fourth proportional to 538,088,020.20, 807,132,030.30 and 492,171,517.80 is: 738,257,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,088,020.20 : 807,132,030.30 = 492,171,517.80 : x
  2. Step 2: Convert to fraction form
    538,088,020.20/807,132,030.30 = 492,171,517.80/x
  3. Step 3: Cross multiply
    538,088,020.20x = 807,132,030.30 × 492,171,517.80
  4. Step 4: Simplify right side
    538,088,020.20x = 397,247,396,417,746,560
  5. Step 5: Solve for x
    x = 397,247,396,417,746,560/538,088,020.20
  6. Step 6: Final answer
    x = 738,257,276.70

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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.