Home / 327,676,168.80-491,183,578.80-163,661,666.40

Finding the Fourth Proportional to 327,676,168.80, 491,183,578.80 and 163,661,666.40

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Solution

The fourth proportional to 327,676,168.80, 491,183,578.80 and 163,661,666.40 is: 245,327,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,676,168.80 : 491,183,578.80 = 163,661,666.40 : x
  2. Step 2: Convert to fraction form
    327,676,168.80/491,183,578.80 = 163,661,666.40/x
  3. Step 3: Cross multiply
    327,676,168.80x = 491,183,578.80 × 163,661,666.40
  4. Step 4: Simplify right side
    327,676,168.80x = 80,387,923,014,723,712
  5. Step 5: Solve for x
    x = 80,387,923,014,723,712/327,676,168.80
  6. Step 6: Final answer
    x = 245,327,340.43

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1.5x scale

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.