Home / 680,205,024.43-1,020,469,454.08-220,143,193.74

Finding the Fourth Proportional to 680,205,024.43, 1,020,469,454.08 and 220,143,193.74

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Solution

The fourth proportional to 680,205,024.43, 1,020,469,454.08 and 220,143,193.74 is: 330,267,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,205,024.43 : 1,020,469,454.08 = 220,143,193.74 : x
  2. Step 2: Convert to fraction form
    680,205,024.43/1,020,469,454.08 = 220,143,193.74/x
  3. Step 3: Cross multiply
    680,205,024.43x = 1,020,469,454.08 × 220,143,193.74
  4. Step 4: Simplify right side
    680,205,024.43x = 224,649,404,735,285,504
  5. Step 5: Solve for x
    x = 224,649,404,735,285,504/680,205,024.43
  6. Step 6: Final answer
    x = 330,267,193.96

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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.