Home / 417,278,412.60-625,320,422.10-307,244,902.20

Finding the Fourth Proportional to 417,278,412.60, 625,320,422.10 and 307,244,902.20

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Solution

The fourth proportional to 417,278,412.60, 625,320,422.10 and 307,244,902.20 is: 460,427,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,278,412.60 : 625,320,422.10 = 307,244,902.20 : x
  2. Step 2: Convert to fraction form
    417,278,412.60/625,320,422.10 = 307,244,902.20/x
  3. Step 3: Cross multiply
    417,278,412.60x = 625,320,422.10 × 307,244,902.20
  4. Step 4: Simplify right side
    417,278,412.60x = 192,126,511,931,777,216
  5. Step 5: Solve for x
    x = 192,126,511,931,777,216/417,278,412.60
  6. Step 6: Final answer
    x = 460,427,633.28

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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.