Home / 327,467,998.80-491,201,998.20-163,731,026.70

Finding the Fourth Proportional to 327,467,998.80, 491,201,998.20 and 163,731,026.70

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Solution

The fourth proportional to 327,467,998.80, 491,201,998.20 and 163,731,026.70 is: 245,596,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,467,998.80 : 491,201,998.20 = 163,731,026.70 : x
  2. Step 2: Convert to fraction form
    327,467,998.80/491,201,998.20 = 163,731,026.70/x
  3. Step 3: Cross multiply
    327,467,998.80x = 491,201,998.20 × 163,731,026.70
  4. Step 4: Simplify right side
    327,467,998.80x = 80,425,007,482,377,552
  5. Step 5: Solve for x
    x = 80,425,007,482,377,552/327,467,998.80
  6. Step 6: Final answer
    x = 245,596,540.05

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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.