Home / 1,200,891,339.20-1,802,498,985.82-579,543,974.80

Finding the Fourth Proportional to 1,200,891,339.20, 1,802,498,985.82 and 579,543,974.80

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Solution

The fourth proportional to 1,200,891,339.20, 1,802,498,985.82 and 579,543,974.80 is: 869,876,726.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,891,339.20 : 1,802,498,985.82 = 579,543,974.80 : x
  2. Step 2: Convert to fraction form
    1,200,891,339.20/1,802,498,985.82 = 579,543,974.80/x
  3. Step 3: Cross multiply
    1,200,891,339.20x = 1,802,498,985.82 × 579,543,974.80
  4. Step 4: Simplify right side
    1,200,891,339.20x = 1,044,627,426,815,091,456
  5. Step 5: Solve for x
    x = 1,044,627,426,815,091,456/1,200,891,339.20
  6. Step 6: Final answer
    x = 869,876,726.32

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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.