Home / 585,498,121.52-807,988,634.10-321,182,249

Finding the Fourth Proportional to 585,498,121.52, 807,988,634.10 and 321,182,249

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Solution

The fourth proportional to 585,498,121.52, 807,988,634.10 and 321,182,249 is: 443,232,176.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,498,121.52 : 807,988,634.10 = 321,182,249 : x
  2. Step 2: Convert to fraction form
    585,498,121.52/807,988,634.10 = 321,182,249/x
  3. Step 3: Cross multiply
    585,498,121.52x = 807,988,634.10 × 321,182,249
  4. Step 4: Simplify right side
    585,498,121.52x = 259,511,606,666,676,096
  5. Step 5: Solve for x
    x = 259,511,606,666,676,096/585,498,121.52
  6. Step 6: Final answer
    x = 443,232,176.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.