Home / 431,930,266.60-647,952,231.90-159,492,404.20

Finding the Fourth Proportional to 431,930,266.60, 647,952,231.90 and 159,492,404.20

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Solution

The fourth proportional to 431,930,266.60, 647,952,231.90 and 159,492,404.20 is: 239,259,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,930,266.60 : 647,952,231.90 = 159,492,404.20 : x
  2. Step 2: Convert to fraction form
    431,930,266.60/647,952,231.90 = 159,492,404.20/x
  3. Step 3: Cross multiply
    431,930,266.60x = 647,952,231.90 × 159,492,404.20
  4. Step 4: Simplify right side
    431,930,266.60x = 103,343,459,272,486,928
  5. Step 5: Solve for x
    x = 103,343,459,272,486,928/431,930,266.60
  6. Step 6: Final answer
    x = 239,259,591.80

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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.