Home / 418,565,266.20-627,847,899.30-127,430,076.60

Finding the Fourth Proportional to 418,565,266.20, 627,847,899.30 and 127,430,076.60

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Solution

The fourth proportional to 418,565,266.20, 627,847,899.30 and 127,430,076.60 is: 191,145,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,565,266.20 : 627,847,899.30 = 127,430,076.60 : x
  2. Step 2: Convert to fraction form
    418,565,266.20/627,847,899.30 = 127,430,076.60/x
  3. Step 3: Cross multiply
    418,565,266.20x = 627,847,899.30 × 127,430,076.60
  4. Step 4: Simplify right side
    418,565,266.20x = 80,006,705,900,948,080
  5. Step 5: Solve for x
    x = 80,006,705,900,948,080/418,565,266.20
  6. Step 6: Final answer
    x = 191,145,114.90

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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.