Home / 1,026,431,999.10-1,539,647,998.65-299,420,711.10

Finding the Fourth Proportional to 1,026,431,999.10, 1,539,647,998.65 and 299,420,711.10

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Solution

The fourth proportional to 1,026,431,999.10, 1,539,647,998.65 and 299,420,711.10 is: 449,131,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,431,999.10 : 1,539,647,998.65 = 299,420,711.10 : x
  2. Step 2: Convert to fraction form
    1,026,431,999.10/1,539,647,998.65 = 299,420,711.10/x
  3. Step 3: Cross multiply
    1,026,431,999.10x = 1,539,647,998.65 × 299,420,711.10
  4. Step 4: Simplify right side
    1,026,431,999.10x = 461,002,498,599,474,880
  5. Step 5: Solve for x
    x = 461,002,498,599,474,880/1,026,431,999.10
  6. Step 6: Final answer
    x = 449,131,066.65

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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.