Home / 396,300,132.34-546,879,181.92-220,099,472.75

Finding the Fourth Proportional to 396,300,132.34, 546,879,181.92 and 220,099,472.75

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Solution

The fourth proportional to 396,300,132.34, 546,879,181.92 and 220,099,472.75 is: 303,728,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,300,132.34 : 546,879,181.92 = 220,099,472.75 : x
  2. Step 2: Convert to fraction form
    396,300,132.34/546,879,181.92 = 220,099,472.75/x
  3. Step 3: Cross multiply
    396,300,132.34x = 546,879,181.92 × 220,099,472.75
  4. Step 4: Simplify right side
    396,300,132.34x = 120,367,819,598,543,328
  5. Step 5: Solve for x
    x = 120,367,819,598,543,328/396,300,132.34
  6. Step 6: Final answer
    x = 303,728,941.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.