Home / 440,129,678.40-660,194,517.60-267,942,794.40

Finding the Fourth Proportional to 440,129,678.40, 660,194,517.60 and 267,942,794.40

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Solution

The fourth proportional to 440,129,678.40, 660,194,517.60 and 267,942,794.40 is: 401,914,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,129,678.40 : 660,194,517.60 = 267,942,794.40 : x
  2. Step 2: Convert to fraction form
    440,129,678.40/660,194,517.60 = 267,942,794.40/x
  3. Step 3: Cross multiply
    440,129,678.40x = 660,194,517.60 × 267,942,794.40
  4. Step 4: Simplify right side
    440,129,678.40x = 176,894,363,893,304,000
  5. Step 5: Solve for x
    x = 176,894,363,893,304,000/440,129,678.40
  6. Step 6: Final answer
    x = 401,914,191.60

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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.