Home / 442,858,474.20-664,284,212.10-115,333,354.20

Finding the Fourth Proportional to 442,858,474.20, 664,284,212.10 and 115,333,354.20

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Solution

The fourth proportional to 442,858,474.20, 664,284,212.10 and 115,333,354.20 is: 172,999,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,858,474.20 : 664,284,212.10 = 115,333,354.20 : x
  2. Step 2: Convert to fraction form
    442,858,474.20/664,284,212.10 = 115,333,354.20/x
  3. Step 3: Cross multiply
    442,858,474.20x = 664,284,212.10 × 115,333,354.20
  4. Step 4: Simplify right side
    442,858,474.20x = 76,614,126,323,597,232
  5. Step 5: Solve for x
    x = 76,614,126,323,597,232/442,858,474.20
  6. Step 6: Final answer
    x = 172,999,120.01

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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.