Home / 650,652,489.60-976,734,561.60-392,159,587.20

Finding the Fourth Proportional to 650,652,489.60, 976,734,561.60 and 392,159,587.20

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Solution

The fourth proportional to 650,652,489.60, 976,734,561.60 and 392,159,587.20 is: 588,694,931.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,652,489.60 : 976,734,561.60 = 392,159,587.20 : x
  2. Step 2: Convert to fraction form
    650,652,489.60/976,734,561.60 = 392,159,587.20/x
  3. Step 3: Cross multiply
    650,652,489.60x = 976,734,561.60 × 392,159,587.20
  4. Step 4: Simplify right side
    650,652,489.60x = 383,035,822,481,028,992
  5. Step 5: Solve for x
    x = 383,035,822,481,028,992/650,652,489.60
  6. Step 6: Final answer
    x = 588,694,931.02

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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.