Home / 680,205,035.19-1,020,469,470.21-220,143,204.48

Finding the Fourth Proportional to 680,205,035.19, 1,020,469,470.21 and 220,143,204.48

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Solution

The fourth proportional to 680,205,035.19, 1,020,469,470.21 and 220,143,204.48 is: 330,267,210.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,205,035.19 : 1,020,469,470.21 = 220,143,204.48 : x
  2. Step 2: Convert to fraction form
    680,205,035.19/1,020,469,470.21 = 220,143,204.48/x
  3. Step 3: Cross multiply
    680,205,035.19x = 1,020,469,470.21 × 220,143,204.48
  4. Step 4: Simplify right side
    680,205,035.19x = 224,649,419,246,037,280
  5. Step 5: Solve for x
    x = 224,649,419,246,037,280/680,205,035.19
  6. Step 6: Final answer
    x = 330,267,210.07

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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.