Home / 454,376,220.12-680,870,791.44-269,780,189.04

Finding the Fourth Proportional to 454,376,220.12, 680,870,791.44 and 269,780,189.04

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Solution

The fourth proportional to 454,376,220.12, 680,870,791.44 and 269,780,189.04 is: 404,258,503.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,376,220.12 : 680,870,791.44 = 269,780,189.04 : x
  2. Step 2: Convert to fraction form
    454,376,220.12/680,870,791.44 = 269,780,189.04/x
  3. Step 3: Cross multiply
    454,376,220.12x = 680,870,791.44 × 269,780,189.04
  4. Step 4: Simplify right side
    454,376,220.12x = 183,685,450,826,497,632
  5. Step 5: Solve for x
    x = 183,685,450,826,497,632/454,376,220.12
  6. Step 6: Final answer
    x = 404,258,503.62

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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.