Home / 445,910,425.20-668,951,774.45-169,540,150.97

Finding the Fourth Proportional to 445,910,425.20, 668,951,774.45 and 169,540,150.97

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Solution

The fourth proportional to 445,910,425.20, 668,951,774.45 and 169,540,150.97 is: 254,342,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,910,425.20 : 668,951,774.45 = 169,540,150.97 : x
  2. Step 2: Convert to fraction form
    445,910,425.20/668,951,774.45 = 169,540,150.97/x
  3. Step 3: Cross multiply
    445,910,425.20x = 668,951,774.45 × 169,540,150.97
  4. Step 4: Simplify right side
    445,910,425.20x = 113,414,184,827,709,936
  5. Step 5: Solve for x
    x = 113,414,184,827,709,936/445,910,425.20
  6. Step 6: Final answer
    x = 254,342,976.57

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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.