Home / 415,110,820.68-572,825,631.78-238,870,375.92

Finding the Fourth Proportional to 415,110,820.68, 572,825,631.78 and 238,870,375.92

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Solution

The fourth proportional to 415,110,820.68, 572,825,631.78 and 238,870,375.92 is: 329,625,408.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,110,820.68 : 572,825,631.78 = 238,870,375.92 : x
  2. Step 2: Convert to fraction form
    415,110,820.68/572,825,631.78 = 238,870,375.92/x
  3. Step 3: Cross multiply
    415,110,820.68x = 572,825,631.78 × 238,870,375.92
  4. Step 4: Simplify right side
    415,110,820.68x = 136,831,073,999,900,080
  5. Step 5: Solve for x
    x = 136,831,073,999,900,080/415,110,820.68
  6. Step 6: Final answer
    x = 329,625,408.89

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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.