Home / 266,350,644.57-396,717,373.59-254,400,136.65

Finding the Fourth Proportional to 266,350,644.57, 396,717,373.59 and 254,400,136.65

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Solution

The fourth proportional to 266,350,644.57, 396,717,373.59 and 254,400,136.65 is: 378,917,626.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,350,644.57 : 396,717,373.59 = 254,400,136.65 : x
  2. Step 2: Convert to fraction form
    266,350,644.57/396,717,373.59 = 254,400,136.65/x
  3. Step 3: Cross multiply
    266,350,644.57x = 396,717,373.59 × 254,400,136.65
  4. Step 4: Simplify right side
    266,350,644.57x = 100,924,954,052,725,104
  5. Step 5: Solve for x
    x = 100,924,954,052,725,104/266,350,644.57
  6. Step 6: Final answer
    x = 378,917,626.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.