Home / 299,475,405.04-449,212,505.12-281,251,385.54

Finding the Fourth Proportional to 299,475,405.04, 449,212,505.12 and 281,251,385.54

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Solution

The fourth proportional to 299,475,405.04, 449,212,505.12 and 281,251,385.54 is: 421,876,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,475,405.04 : 449,212,505.12 = 281,251,385.54 : x
  2. Step 2: Convert to fraction form
    299,475,405.04/449,212,505.12 = 281,251,385.54/x
  3. Step 3: Cross multiply
    299,475,405.04x = 449,212,505.12 × 281,251,385.54
  4. Step 4: Simplify right side
    299,475,405.04x = 126,341,639,466,894,352
  5. Step 5: Solve for x
    x = 126,341,639,466,894,352/299,475,405.04
  6. Step 6: Final answer
    x = 421,876,512.53

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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.