Home / 1,036,157,561.90-1,554,236,342.85-422,407,213.10

Finding the Fourth Proportional to 1,036,157,561.90, 1,554,236,342.85 and 422,407,213.10

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Solution

The fourth proportional to 1,036,157,561.90, 1,554,236,342.85 and 422,407,213.10 is: 633,610,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,157,561.90 : 1,554,236,342.85 = 422,407,213.10 : x
  2. Step 2: Convert to fraction form
    1,036,157,561.90/1,554,236,342.85 = 422,407,213.10/x
  3. Step 3: Cross multiply
    1,036,157,561.90x = 1,554,236,342.85 × 422,407,213.10
  4. Step 4: Simplify right side
    1,036,157,561.90x = 656,520,642,082,004,608
  5. Step 5: Solve for x
    x = 656,520,642,082,004,608/1,036,157,561.90
  6. Step 6: Final answer
    x = 633,610,819.65

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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.