Home / 1,811,229,115.88-2,499,504,644.32-1,028,990,887.40

Finding the Fourth Proportional to 1,811,229,115.88, 2,499,504,644.32 and 1,028,990,887.40

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Solution

The fourth proportional to 1,811,229,115.88, 2,499,504,644.32 and 1,028,990,887.40 is: 1,420,012,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,229,115.88 : 2,499,504,644.32 = 1,028,990,887.40 : x
  2. Step 2: Convert to fraction form
    1,811,229,115.88/2,499,504,644.32 = 1,028,990,887.40/x
  3. Step 3: Cross multiply
    1,811,229,115.88x = 2,499,504,644.32 × 1,028,990,887.40
  4. Step 4: Simplify right side
    1,811,229,115.88x = 2,571,967,502,019,258,368
  5. Step 5: Solve for x
    x = 2,571,967,502,019,258,368/1,811,229,115.88
  6. Step 6: Final answer
    x = 1,420,012,233.39

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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.