Home / 445,910,452.86-668,951,815.95-169,540,178.70

Finding the Fourth Proportional to 445,910,452.86, 668,951,815.95 and 169,540,178.70

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Solution

The fourth proportional to 445,910,452.86, 668,951,815.95 and 169,540,178.70 is: 254,343,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,910,452.86 : 668,951,815.95 = 169,540,178.70 : x
  2. Step 2: Convert to fraction form
    445,910,452.86/668,951,815.95 = 169,540,178.70/x
  3. Step 3: Cross multiply
    445,910,452.86x = 668,951,815.95 × 169,540,178.70
  4. Step 4: Simplify right side
    445,910,452.86x = 113,414,210,417,852,512
  5. Step 5: Solve for x
    x = 113,414,210,417,852,512/445,910,452.86
  6. Step 6: Final answer
    x = 254,343,018.18

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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.