Home / 488,776,418.72-674,535,671.52-303,197,228

Finding the Fourth Proportional to 488,776,418.72, 674,535,671.52 and 303,197,228

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Solution

The fourth proportional to 488,776,418.72, 674,535,671.52 and 303,197,228 is: 418,427,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,776,418.72 : 674,535,671.52 = 303,197,228 : x
  2. Step 2: Convert to fraction form
    488,776,418.72/674,535,671.52 = 303,197,228/x
  3. Step 3: Cross multiply
    488,776,418.72x = 674,535,671.52 × 303,197,228
  4. Step 4: Simplify right side
    488,776,418.72x = 204,517,345,791,982,528
  5. Step 5: Solve for x
    x = 204,517,345,791,982,528/488,776,418.72
  6. Step 6: Final answer
    x = 418,427,194.85

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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.