Home / 327,406,644.55-491,109,966.83-163,669,672.45

Finding the Fourth Proportional to 327,406,644.55, 491,109,966.83 and 163,669,672.45

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Solution

The fourth proportional to 327,406,644.55, 491,109,966.83 and 163,669,672.45 is: 245,504,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,406,644.55 : 491,109,966.83 = 163,669,672.45 : x
  2. Step 2: Convert to fraction form
    327,406,644.55/491,109,966.83 = 163,669,672.45/x
  3. Step 3: Cross multiply
    327,406,644.55x = 491,109,966.83 × 163,669,672.45
  4. Step 4: Simplify right side
    327,406,644.55x = 80,379,807,407,996,464
  5. Step 5: Solve for x
    x = 80,379,807,407,996,464/327,406,644.55
  6. Step 6: Final answer
    x = 245,504,508.68

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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.