Home / 1,200,891,338.70-1,802,498,985.08-579,543,974.30

Finding the Fourth Proportional to 1,200,891,338.70, 1,802,498,985.08 and 579,543,974.30

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Solution

The fourth proportional to 1,200,891,338.70, 1,802,498,985.08 and 579,543,974.30 is: 869,876,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,891,338.70 : 1,802,498,985.08 = 579,543,974.30 : x
  2. Step 2: Convert to fraction form
    1,200,891,338.70/1,802,498,985.08 = 579,543,974.30/x
  3. Step 3: Cross multiply
    1,200,891,338.70x = 1,802,498,985.08 × 579,543,974.30
  4. Step 4: Simplify right side
    1,200,891,338.70x = 1,044,627,425,473,069,312
  5. Step 5: Solve for x
    x = 1,044,627,425,473,069,312/1,200,891,338.70
  6. Step 6: Final answer
    x = 869,876,725.57

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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.