Home / 266,432,049.33-398,868,765.35-155,428,306.90

Finding the Fourth Proportional to 266,432,049.33, 398,868,765.35 and 155,428,306.90

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Solution

The fourth proportional to 266,432,049.33, 398,868,765.35 and 155,428,306.90 is: 232,687,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,432,049.33 : 398,868,765.35 = 155,428,306.90 : x
  2. Step 2: Convert to fraction form
    266,432,049.33/398,868,765.35 = 155,428,306.90/x
  3. Step 3: Cross multiply
    266,432,049.33x = 398,868,765.35 × 155,428,306.90
  4. Step 4: Simplify right side
    266,432,049.33x = 61,995,496,874,111,224
  5. Step 5: Solve for x
    x = 61,995,496,874,111,224/266,432,049.33
  6. Step 6: Final answer
    x = 232,687,835.53

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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.