Home / 399,242,084.65-550,975,229.93-240,522,171.89

Finding the Fourth Proportional to 399,242,084.65, 550,975,229.93 and 240,522,171.89

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Solution

The fourth proportional to 399,242,084.65, 550,975,229.93 and 240,522,171.89 is: 331,933,340.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,242,084.65 : 550,975,229.93 = 240,522,171.89 : x
  2. Step 2: Convert to fraction form
    399,242,084.65/550,975,229.93 = 240,522,171.89/x
  3. Step 3: Cross multiply
    399,242,084.65x = 550,975,229.93 × 240,522,171.89
  4. Step 4: Simplify right side
    399,242,084.65x = 132,521,758,958,202,160
  5. Step 5: Solve for x
    x = 132,521,758,958,202,160/399,242,084.65
  6. Step 6: Final answer
    x = 331,933,340.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.