Home / 281,503,067.70-422,324,932.69-198,666,559.78

Finding the Fourth Proportional to 281,503,067.70, 422,324,932.69 and 198,666,559.78

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Solution

The fourth proportional to 281,503,067.70, 422,324,932.69 and 198,666,559.78 is: 298,049,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,503,067.70 : 422,324,932.69 = 198,666,559.78 : x
  2. Step 2: Convert to fraction form
    281,503,067.70/422,324,932.69 = 198,666,559.78/x
  3. Step 3: Cross multiply
    281,503,067.70x = 422,324,932.69 × 198,666,559.78
  4. Step 4: Simplify right side
    281,503,067.70x = 83,901,841,486,842,368
  5. Step 5: Solve for x
    x = 83,901,841,486,842,368/281,503,067.70
  6. Step 6: Final answer
    x = 298,049,474.82

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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.