Home / 1,811,229,113.71-2,499,504,641.36-1,028,990,885.23

Finding the Fourth Proportional to 1,811,229,113.71, 2,499,504,641.36 and 1,028,990,885.23

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Solution

The fourth proportional to 1,811,229,113.71, 2,499,504,641.36 and 1,028,990,885.23 is: 1,420,012,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,229,113.71 : 2,499,504,641.36 = 1,028,990,885.23 : x
  2. Step 2: Convert to fraction form
    1,811,229,113.71/2,499,504,641.36 = 1,028,990,885.23/x
  3. Step 3: Cross multiply
    1,811,229,113.71x = 2,499,504,641.36 × 1,028,990,885.23
  4. Step 4: Simplify right side
    1,811,229,113.71x = 2,571,967,493,549,520,384
  5. Step 5: Solve for x
    x = 2,571,967,493,549,520,384/1,811,229,113.71
  6. Step 6: Final answer
    x = 1,420,012,230.41

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Double scale
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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.