Home / 387,318,332.20-534,260,489.70-236,540,253.64

Finding the Fourth Proportional to 387,318,332.20, 534,260,489.70 and 236,540,253.64

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Solution

The fourth proportional to 387,318,332.20, 534,260,489.70 and 236,540,253.64 is: 326,279,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,318,332.20 : 534,260,489.70 = 236,540,253.64 : x
  2. Step 2: Convert to fraction form
    387,318,332.20/534,260,489.70 = 236,540,253.64/x
  3. Step 3: Cross multiply
    387,318,332.20x = 534,260,489.70 × 236,540,253.64
  4. Step 4: Simplify right side
    387,318,332.20x = 126,374,111,743,468,592
  5. Step 5: Solve for x
    x = 126,374,111,743,468,592/387,318,332.20
  6. Step 6: Final answer
    x = 326,279,706.48

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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.