Home / 513,215,998.20-769,823,997.30-226,561,534.20

Finding the Fourth Proportional to 513,215,998.20, 769,823,997.30 and 226,561,534.20

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Solution

The fourth proportional to 513,215,998.20, 769,823,997.30 and 226,561,534.20 is: 339,842,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,215,998.20 : 769,823,997.30 = 226,561,534.20 : x
  2. Step 2: Convert to fraction form
    513,215,998.20/769,823,997.30 = 226,561,534.20/x
  3. Step 3: Cross multiply
    513,215,998.20x = 769,823,997.30 × 226,561,534.20
  4. Step 4: Simplify right side
    513,215,998.20x = 174,412,505,892,264,640
  5. Step 5: Solve for x
    x = 174,412,505,892,264,640/513,215,998.20
  6. Step 6: Final answer
    x = 339,842,301.30

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Similar ratio
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1.5x scale

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.