Home / 680,205,023.43-1,020,469,452.58-220,143,192.74

Finding the Fourth Proportional to 680,205,023.43, 1,020,469,452.58 and 220,143,192.74

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Solution

The fourth proportional to 680,205,023.43, 1,020,469,452.58 and 220,143,192.74 is: 330,267,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,205,023.43 : 1,020,469,452.58 = 220,143,192.74 : x
  2. Step 2: Convert to fraction form
    680,205,023.43/1,020,469,452.58 = 220,143,192.74/x
  3. Step 3: Cross multiply
    680,205,023.43x = 1,020,469,452.58 × 220,143,192.74
  4. Step 4: Simplify right side
    680,205,023.43x = 224,649,403,383,500,544
  5. Step 5: Solve for x
    x = 224,649,403,383,500,544/680,205,023.43
  6. Step 6: Final answer
    x = 330,267,192.46

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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.