Home / 679,979,607.20-1,019,969,410.80-532,026,432.80

Finding the Fourth Proportional to 679,979,607.20, 1,019,969,410.80 and 532,026,432.80

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Solution

The fourth proportional to 679,979,607.20, 1,019,969,410.80 and 532,026,432.80 is: 798,039,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,979,607.20 : 1,019,969,410.80 = 532,026,432.80 : x
  2. Step 2: Convert to fraction form
    679,979,607.20/1,019,969,410.80 = 532,026,432.80/x
  3. Step 3: Cross multiply
    679,979,607.20x = 1,019,969,410.80 × 532,026,432.80
  4. Step 4: Simplify right side
    679,979,607.20x = 542,650,687,193,041,792
  5. Step 5: Solve for x
    x = 542,650,687,193,041,792/679,979,607.20
  6. Step 6: Final answer
    x = 798,039,649.20

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Double scale
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Similar ratio
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1.5x scale

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.