Home / 728,986,836.20-1,093,480,254.30-218,383,572.20

Finding the Fourth Proportional to 728,986,836.20, 1,093,480,254.30 and 218,383,572.20

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Solution

The fourth proportional to 728,986,836.20, 1,093,480,254.30 and 218,383,572.20 is: 327,575,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,986,836.20 : 1,093,480,254.30 = 218,383,572.20 : x
  2. Step 2: Convert to fraction form
    728,986,836.20/1,093,480,254.30 = 218,383,572.20/x
  3. Step 3: Cross multiply
    728,986,836.20x = 1,093,480,254.30 × 218,383,572.20
  4. Step 4: Simplify right side
    728,986,836.20x = 238,798,124,064,198,400
  5. Step 5: Solve for x
    x = 238,798,124,064,198,400/728,986,836.20
  6. Step 6: Final answer
    x = 327,575,358.30

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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.