Home / 747,486,001.40-1,121,229,002.10-441,375,985.40

Finding the Fourth Proportional to 747,486,001.40, 1,121,229,002.10 and 441,375,985.40

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Solution

The fourth proportional to 747,486,001.40, 1,121,229,002.10 and 441,375,985.40 is: 662,063,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,486,001.40 : 1,121,229,002.10 = 441,375,985.40 : x
  2. Step 2: Convert to fraction form
    747,486,001.40/1,121,229,002.10 = 441,375,985.40/x
  3. Step 3: Cross multiply
    747,486,001.40x = 1,121,229,002.10 × 441,375,985.40
  4. Step 4: Simplify right side
    747,486,001.40x = 494,883,555,660,946,112
  5. Step 5: Solve for x
    x = 494,883,555,660,946,112/747,486,001.40
  6. Step 6: Final answer
    x = 662,063,978.10

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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.