Home / 680,205,023.18-1,020,469,452.20-220,143,192.49

Finding the Fourth Proportional to 680,205,023.18, 1,020,469,452.20 and 220,143,192.49

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Solution

The fourth proportional to 680,205,023.18, 1,020,469,452.20 and 220,143,192.49 is: 330,267,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,205,023.18 : 1,020,469,452.20 = 220,143,192.49 : x
  2. Step 2: Convert to fraction form
    680,205,023.18/1,020,469,452.20 = 220,143,192.49/x
  3. Step 3: Cross multiply
    680,205,023.18x = 1,020,469,452.20 × 220,143,192.49
  4. Step 4: Simplify right side
    680,205,023.18x = 224,649,403,046,830,656
  5. Step 5: Solve for x
    x = 224,649,403,046,830,656/680,205,023.18
  6. Step 6: Final answer
    x = 330,267,192.08

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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.