Home / 542,778,839.45-814,512,608.34-231,888,794.25

Finding the Fourth Proportional to 542,778,839.45, 814,512,608.34 and 231,888,794.25

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Solution

The fourth proportional to 542,778,839.45, 814,512,608.34 and 231,888,794.25 is: 347,980,306.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,778,839.45 : 814,512,608.34 = 231,888,794.25 : x
  2. Step 2: Convert to fraction form
    542,778,839.45/814,512,608.34 = 231,888,794.25/x
  3. Step 3: Cross multiply
    542,778,839.45x = 814,512,608.34 × 231,888,794.25
  4. Step 4: Simplify right side
    542,778,839.45x = 188,876,346,645,344,768
  5. Step 5: Solve for x
    x = 188,876,346,645,344,768/542,778,839.45
  6. Step 6: Final answer
    x = 347,980,306.00

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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.