Home / 679,979,578.20-1,019,969,367.30-532,026,403.80

Finding the Fourth Proportional to 679,979,578.20, 1,019,969,367.30 and 532,026,403.80

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Solution

The fourth proportional to 679,979,578.20, 1,019,969,367.30 and 532,026,403.80 is: 798,039,605.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,979,578.20 : 1,019,969,367.30 = 532,026,403.80 : x
  2. Step 2: Convert to fraction form
    679,979,578.20/1,019,969,367.30 = 532,026,403.80/x
  3. Step 3: Cross multiply
    679,979,578.20x = 1,019,969,367.30 × 532,026,403.80
  4. Step 4: Simplify right side
    679,979,578.20x = 542,650,634,470,780,288
  5. Step 5: Solve for x
    x = 542,650,634,470,780,288/679,979,578.20
  6. Step 6: Final answer
    x = 798,039,605.70

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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.