Home / 412,169,407.65-618,349,618.04-135,810,727.29

Finding the Fourth Proportional to 412,169,407.65, 618,349,618.04 and 135,810,727.29

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Solution

The fourth proportional to 412,169,407.65, 618,349,618.04 and 135,810,727.29 is: 203,747,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,169,407.65 : 618,349,618.04 = 135,810,727.29 : x
  2. Step 2: Convert to fraction form
    412,169,407.65/618,349,618.04 = 135,810,727.29/x
  3. Step 3: Cross multiply
    412,169,407.65x = 618,349,618.04 × 135,810,727.29
  4. Step 4: Simplify right side
    412,169,407.65x = 83,978,511,344,827,040
  5. Step 5: Solve for x
    x = 83,978,511,344,827,040/412,169,407.65
  6. Step 6: Final answer
    x = 203,747,560.56

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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.