Home / 681,984,003.40-1,022,976,005.10-625,548,905.80

Finding the Fourth Proportional to 681,984,003.40, 1,022,976,005.10 and 625,548,905.80

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Solution

The fourth proportional to 681,984,003.40, 1,022,976,005.10 and 625,548,905.80 is: 938,323,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,984,003.40 : 1,022,976,005.10 = 625,548,905.80 : x
  2. Step 2: Convert to fraction form
    681,984,003.40/1,022,976,005.10 = 625,548,905.80/x
  3. Step 3: Cross multiply
    681,984,003.40x = 1,022,976,005.10 × 625,548,905.80
  4. Step 4: Simplify right side
    681,984,003.40x = 639,921,520,649,960,192
  5. Step 5: Solve for x
    x = 639,921,520,649,960,192/681,984,003.40
  6. Step 6: Final answer
    x = 938,323,358.70

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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.