Home / 445,910,436.82-668,951,791.70-169,540,161.92

Finding the Fourth Proportional to 445,910,436.82, 668,951,791.70 and 169,540,161.92

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Solution

The fourth proportional to 445,910,436.82, 668,951,791.70 and 169,540,161.92 is: 254,342,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,910,436.82 : 668,951,791.70 = 169,540,161.92 : x
  2. Step 2: Convert to fraction form
    445,910,436.82/668,951,791.70 = 169,540,161.92/x
  3. Step 3: Cross multiply
    445,910,436.82x = 668,951,791.70 × 169,540,161.92
  4. Step 4: Simplify right side
    445,910,436.82x = 113,414,195,079,808,224
  5. Step 5: Solve for x
    x = 113,414,195,079,808,224/445,910,436.82
  6. Step 6: Final answer
    x = 254,342,992.93

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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.