Home / 439,195,429.42-658,797,868.76-132,490,200.94

Finding the Fourth Proportional to 439,195,429.42, 658,797,868.76 and 132,490,200.94

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Solution

The fourth proportional to 439,195,429.42, 658,797,868.76 and 132,490,200.94 is: 198,736,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,195,429.42 : 658,797,868.76 = 132,490,200.94 : x
  2. Step 2: Convert to fraction form
    439,195,429.42/658,797,868.76 = 132,490,200.94/x
  3. Step 3: Cross multiply
    439,195,429.42x = 658,797,868.76 × 132,490,200.94
  4. Step 4: Simplify right side
    439,195,429.42x = 87,284,262,010,856,144
  5. Step 5: Solve for x
    x = 87,284,262,010,856,144/439,195,429.42
  6. Step 6: Final answer
    x = 198,736,726.67

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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.