Home / 585,498,119.52-807,988,631.34-321,182,247

Finding the Fourth Proportional to 585,498,119.52, 807,988,631.34 and 321,182,247

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Solution

The fourth proportional to 585,498,119.52, 807,988,631.34 and 321,182,247 is: 443,232,173.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,498,119.52 : 807,988,631.34 = 321,182,247 : x
  2. Step 2: Convert to fraction form
    585,498,119.52/807,988,631.34 = 321,182,247/x
  3. Step 3: Cross multiply
    585,498,119.52x = 807,988,631.34 × 321,182,247
  4. Step 4: Simplify right side
    585,498,119.52x = 259,511,604,164,235,840
  5. Step 5: Solve for x
    x = 259,511,604,164,235,840/585,498,119.52
  6. Step 6: Final answer
    x = 443,232,173.62

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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.