Home / 269,415,986.30-404,123,979.45-211,302,912.95

Finding the Fourth Proportional to 269,415,986.30, 404,123,979.45 and 211,302,912.95

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Solution

The fourth proportional to 269,415,986.30, 404,123,979.45 and 211,302,912.95 is: 316,954,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,415,986.30 : 404,123,979.45 = 211,302,912.95 : x
  2. Step 2: Convert to fraction form
    269,415,986.30/404,123,979.45 = 211,302,912.95/x
  3. Step 3: Cross multiply
    269,415,986.30x = 404,123,979.45 × 211,302,912.95
  4. Step 4: Simplify right side
    269,415,986.30x = 85,392,574,050,730,928
  5. Step 5: Solve for x
    x = 85,392,574,050,730,928/269,415,986.30
  6. Step 6: Final answer
    x = 316,954,369.43

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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.