Home / 641,202,241.20-962,425,311.42-309,442,724.25

Finding the Fourth Proportional to 641,202,241.20, 962,425,311.42 and 309,442,724.25

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Solution

The fourth proportional to 641,202,241.20, 962,425,311.42 and 309,442,724.25 is: 464,464,237.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,202,241.20 : 962,425,311.42 = 309,442,724.25 : x
  2. Step 2: Convert to fraction form
    641,202,241.20/962,425,311.42 = 309,442,724.25/x
  3. Step 3: Cross multiply
    641,202,241.20x = 962,425,311.42 × 309,442,724.25
  4. Step 4: Simplify right side
    641,202,241.20x = 297,815,510,248,790,592
  5. Step 5: Solve for x
    x = 297,815,510,248,790,592/641,202,241.20
  6. Step 6: Final answer
    x = 464,464,237.82

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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.