Home / 542,723,243.90-814,084,865.85-325,045,010.30

Finding the Fourth Proportional to 542,723,243.90, 814,084,865.85 and 325,045,010.30

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Solution

The fourth proportional to 542,723,243.90, 814,084,865.85 and 325,045,010.30 is: 487,567,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,723,243.90 : 814,084,865.85 = 325,045,010.30 : x
  2. Step 2: Convert to fraction form
    542,723,243.90/814,084,865.85 = 325,045,010.30/x
  3. Step 3: Cross multiply
    542,723,243.90x = 814,084,865.85 × 325,045,010.30
  4. Step 4: Simplify right side
    542,723,243.90x = 264,614,223,605,287,392
  5. Step 5: Solve for x
    x = 264,614,223,605,287,392/542,723,243.90
  6. Step 6: Final answer
    x = 487,567,515.45

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Double scale
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Similar ratio
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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.