Home / 694,008,002.20-1,041,012,003.30-663,397,000.60

Finding the Fourth Proportional to 694,008,002.20, 1,041,012,003.30 and 663,397,000.60

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Solution

The fourth proportional to 694,008,002.20, 1,041,012,003.30 and 663,397,000.60 is: 995,095,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,008,002.20 : 1,041,012,003.30 = 663,397,000.60 : x
  2. Step 2: Convert to fraction form
    694,008,002.20/1,041,012,003.30 = 663,397,000.60/x
  3. Step 3: Cross multiply
    694,008,002.20x = 1,041,012,003.30 × 663,397,000.60
  4. Step 4: Simplify right side
    694,008,002.20x = 690,604,240,577,817,344
  5. Step 5: Solve for x
    x = 690,604,240,577,817,344/694,008,002.20
  6. Step 6: Final answer
    x = 995,095,500.90

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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.