Home / 428,540,098.26-591,390,301.30-237,805,031.54

Finding the Fourth Proportional to 428,540,098.26, 591,390,301.30 and 237,805,031.54

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Solution

The fourth proportional to 428,540,098.26, 591,390,301.30 and 237,805,031.54 is: 328,173,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,540,098.26 : 591,390,301.30 = 237,805,031.54 : x
  2. Step 2: Convert to fraction form
    428,540,098.26/591,390,301.30 = 237,805,031.54/x
  3. Step 3: Cross multiply
    428,540,098.26x = 591,390,301.30 × 237,805,031.54
  4. Step 4: Simplify right side
    428,540,098.26x = 140,635,589,253,096,592
  5. Step 5: Solve for x
    x = 140,635,589,253,096,592/428,540,098.26
  6. Step 6: Final answer
    x = 328,173,699.09

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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.