Home / 498,237,752.80-747,356,629.20-268,655,240.80

Finding the Fourth Proportional to 498,237,752.80, 747,356,629.20 and 268,655,240.80

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Solution

The fourth proportional to 498,237,752.80, 747,356,629.20 and 268,655,240.80 is: 402,982,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,237,752.80 : 747,356,629.20 = 268,655,240.80 : x
  2. Step 2: Convert to fraction form
    498,237,752.80/747,356,629.20 = 268,655,240.80/x
  3. Step 3: Cross multiply
    498,237,752.80x = 747,356,629.20 × 268,655,240.80
  4. Step 4: Simplify right side
    498,237,752.80x = 200,781,275,181,202,336
  5. Step 5: Solve for x
    x = 200,781,275,181,202,336/498,237,752.80
  6. Step 6: Final answer
    x = 402,982,861.20

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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.