Home / 1,811,229,112.71-2,499,504,639.98-1,028,990,884.23

Finding the Fourth Proportional to 1,811,229,112.71, 2,499,504,639.98 and 1,028,990,884.23

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Solution

The fourth proportional to 1,811,229,112.71, 2,499,504,639.98 and 1,028,990,884.23 is: 1,420,012,229.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,229,112.71 : 2,499,504,639.98 = 1,028,990,884.23 : x
  2. Step 2: Convert to fraction form
    1,811,229,112.71/2,499,504,639.98 = 1,028,990,884.23/x
  3. Step 3: Cross multiply
    1,811,229,112.71x = 2,499,504,639.98 × 1,028,990,884.23
  4. Step 4: Simplify right side
    1,811,229,112.71x = 2,571,967,489,624,863,232
  5. Step 5: Solve for x
    x = 2,571,967,489,624,863,232/1,811,229,112.71
  6. Step 6: Final answer
    x = 1,420,012,229.03

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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.