Home / 387,318,331.20-534,260,488.32-236,540,252.64

Finding the Fourth Proportional to 387,318,331.20, 534,260,488.32 and 236,540,252.64

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Solution

The fourth proportional to 387,318,331.20, 534,260,488.32 and 236,540,252.64 is: 326,279,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,318,331.20 : 534,260,488.32 = 236,540,252.64 : x
  2. Step 2: Convert to fraction form
    387,318,331.20/534,260,488.32 = 236,540,252.64/x
  3. Step 3: Cross multiply
    387,318,331.20x = 534,260,488.32 × 236,540,252.64
  4. Step 4: Simplify right side
    387,318,331.20x = 126,374,110,882,782,560
  5. Step 5: Solve for x
    x = 126,374,110,882,782,560/387,318,331.20
  6. Step 6: Final answer
    x = 326,279,705.10

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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.