Home / 358,729,447.80-538,094,171.70-271,998,276.60

Finding the Fourth Proportional to 358,729,447.80, 538,094,171.70 and 271,998,276.60

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Solution

The fourth proportional to 358,729,447.80, 538,094,171.70 and 271,998,276.60 is: 407,997,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,729,447.80 : 538,094,171.70 = 271,998,276.60 : x
  2. Step 2: Convert to fraction form
    358,729,447.80/538,094,171.70 = 271,998,276.60/x
  3. Step 3: Cross multiply
    358,729,447.80x = 538,094,171.70 × 271,998,276.60
  4. Step 4: Simplify right side
    358,729,447.80x = 146,360,687,350,904,512
  5. Step 5: Solve for x
    x = 146,360,687,350,904,512/358,729,447.80
  6. Step 6: Final answer
    x = 407,997,414.90

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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.