Home / 442,858,466.70-664,284,200.85-115,333,346.70

Finding the Fourth Proportional to 442,858,466.70, 664,284,200.85 and 115,333,346.70

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Solution

The fourth proportional to 442,858,466.70, 664,284,200.85 and 115,333,346.70 is: 172,999,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,858,466.70 : 664,284,200.85 = 115,333,346.70 : x
  2. Step 2: Convert to fraction form
    442,858,466.70/664,284,200.85 = 115,333,346.70/x
  3. Step 3: Cross multiply
    442,858,466.70x = 664,284,200.85 × 115,333,346.70
  4. Step 4: Simplify right side
    442,858,466.70x = 76,614,120,043,965,488
  5. Step 5: Solve for x
    x = 76,614,120,043,965,488/442,858,466.70
  6. Step 6: Final answer
    x = 172,999,108.76

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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.