Home / 417,840,871.68-576,012,679.92-292,002,375.60

Finding the Fourth Proportional to 417,840,871.68, 576,012,679.92 and 292,002,375.60

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Solution

The fourth proportional to 417,840,871.68, 576,012,679.92 and 292,002,375.60 is: 402,538,579.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,840,871.68 : 576,012,679.92 = 292,002,375.60 : x
  2. Step 2: Convert to fraction form
    417,840,871.68/576,012,679.92 = 292,002,375.60/x
  3. Step 3: Cross multiply
    417,840,871.68x = 576,012,679.92 × 292,002,375.60
  4. Step 4: Simplify right side
    417,840,871.68x = 168,197,070,912,362,432
  5. Step 5: Solve for x
    x = 168,197,070,912,362,432/417,840,871.68
  6. Step 6: Final answer
    x = 402,538,579.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.