Home / 386,329,229.60-579,480,547.44-109,982,154.88

Finding the Fourth Proportional to 386,329,229.60, 579,480,547.44 and 109,982,154.88

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Solution

The fourth proportional to 386,329,229.60, 579,480,547.44 and 109,982,154.88 is: 164,969,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,329,229.60 : 579,480,547.44 = 109,982,154.88 : x
  2. Step 2: Convert to fraction form
    386,329,229.60/579,480,547.44 = 109,982,154.88/x
  3. Step 3: Cross multiply
    386,329,229.60x = 579,480,547.44 × 109,982,154.88
  4. Step 4: Simplify right side
    386,329,229.60x = 63,732,519,318,493,272
  5. Step 5: Solve for x
    x = 63,732,519,318,493,272/386,329,229.60
  6. Step 6: Final answer
    x = 164,969,446.87

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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.