Home / 422,906,966.55-634,391,023.95-177,016,301.73

Finding the Fourth Proportional to 422,906,966.55, 634,391,023.95 and 177,016,301.73

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Solution

The fourth proportional to 422,906,966.55, 634,391,023.95 and 177,016,301.73 is: 265,537,250.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,906,966.55 : 634,391,023.95 = 177,016,301.73 : x
  2. Step 2: Convert to fraction form
    422,906,966.55/634,391,023.95 = 177,016,301.73/x
  3. Step 3: Cross multiply
    422,906,966.55x = 634,391,023.95 × 177,016,301.73
  4. Step 4: Simplify right side
    422,906,966.55x = 112,297,552,910,336,864
  5. Step 5: Solve for x
    x = 112,297,552,910,336,864/422,906,966.55
  6. Step 6: Final answer
    x = 265,537,250.02

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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.