Home / 798,984,045.20-1,198,476,067.80-579,605,200.40

Finding the Fourth Proportional to 798,984,045.20, 1,198,476,067.80 and 579,605,200.40

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Solution

The fourth proportional to 798,984,045.20, 1,198,476,067.80 and 579,605,200.40 is: 869,407,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,984,045.20 : 1,198,476,067.80 = 579,605,200.40 : x
  2. Step 2: Convert to fraction form
    798,984,045.20/1,198,476,067.80 = 579,605,200.40/x
  3. Step 3: Cross multiply
    798,984,045.20x = 1,198,476,067.80 × 579,605,200.40
  4. Step 4: Simplify right side
    798,984,045.20x = 694,642,961,451,822,976
  5. Step 5: Solve for x
    x = 694,642,961,451,822,976/798,984,045.20
  6. Step 6: Final answer
    x = 869,407,800.60

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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.