Home / 1,811,229,115.72-2,499,504,644.12-1,028,990,887.24

Finding the Fourth Proportional to 1,811,229,115.72, 2,499,504,644.12 and 1,028,990,887.24

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Solution

The fourth proportional to 1,811,229,115.72, 2,499,504,644.12 and 1,028,990,887.24 is: 1,420,012,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,229,115.72 : 2,499,504,644.12 = 1,028,990,887.24 : x
  2. Step 2: Convert to fraction form
    1,811,229,115.72/2,499,504,644.12 = 1,028,990,887.24/x
  3. Step 3: Cross multiply
    1,811,229,115.72x = 2,499,504,644.12 × 1,028,990,887.24
  4. Step 4: Simplify right side
    1,811,229,115.72x = 2,571,967,501,413,539,328
  5. Step 5: Solve for x
    x = 2,571,967,501,413,539,328/1,811,229,115.72
  6. Step 6: Final answer
    x = 1,420,012,233.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.