Home / 327,406,643.55-491,109,965.33-163,669,671.45

Finding the Fourth Proportional to 327,406,643.55, 491,109,965.33 and 163,669,671.45

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Solution

The fourth proportional to 327,406,643.55, 491,109,965.33 and 163,669,671.45 is: 245,504,507.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,406,643.55 : 491,109,965.33 = 163,669,671.45 : x
  2. Step 2: Convert to fraction form
    327,406,643.55/491,109,965.33 = 163,669,671.45/x
  3. Step 3: Cross multiply
    327,406,643.55x = 491,109,965.33 × 163,669,671.45
  4. Step 4: Simplify right side
    327,406,643.55x = 80,379,806,670,563,632
  5. Step 5: Solve for x
    x = 80,379,806,670,563,632/327,406,643.55
  6. Step 6: Final answer
    x = 245,504,507.18

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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.