Home / 399,242,080.65-550,975,224.42-240,522,167.89

Finding the Fourth Proportional to 399,242,080.65, 550,975,224.42 and 240,522,167.89

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Solution

The fourth proportional to 399,242,080.65, 550,975,224.42 and 240,522,167.89 is: 331,933,335.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,242,080.65 : 550,975,224.42 = 240,522,167.89 : x
  2. Step 2: Convert to fraction form
    399,242,080.65/550,975,224.42 = 240,522,167.89/x
  3. Step 3: Cross multiply
    399,242,080.65x = 550,975,224.42 × 240,522,167.89
  4. Step 4: Simplify right side
    399,242,080.65x = 132,521,755,427,220,160
  5. Step 5: Solve for x
    x = 132,521,755,427,220,160/399,242,080.65
  6. Step 6: Final answer
    x = 331,933,335.31

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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.