Home / 314,929,678.20-472,394,517.30-271,847,527.80

Finding the Fourth Proportional to 314,929,678.20, 472,394,517.30 and 271,847,527.80

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Solution

The fourth proportional to 314,929,678.20, 472,394,517.30 and 271,847,527.80 is: 407,771,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,678.20 : 472,394,517.30 = 271,847,527.80 : x
  2. Step 2: Convert to fraction form
    314,929,678.20/472,394,517.30 = 271,847,527.80/x
  3. Step 3: Cross multiply
    314,929,678.20x = 472,394,517.30 × 271,847,527.80
  4. Step 4: Simplify right side
    314,929,678.20x = 128,419,281,674,279,344
  5. Step 5: Solve for x
    x = 128,419,281,674,279,344/314,929,678.20
  6. Step 6: Final answer
    x = 407,771,291.70

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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.