Home / 414,878,469.40-622,349,196.90-123,722,867.80

Finding the Fourth Proportional to 414,878,469.40, 622,349,196.90 and 123,722,867.80

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Solution

The fourth proportional to 414,878,469.40, 622,349,196.90 and 123,722,867.80 is: 185,593,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,878,469.40 : 622,349,196.90 = 123,722,867.80 : x
  2. Step 2: Convert to fraction form
    414,878,469.40/622,349,196.90 = 123,722,867.80/x
  3. Step 3: Cross multiply
    414,878,469.40x = 622,349,196.90 × 123,722,867.80
  4. Step 4: Simplify right side
    414,878,469.40x = 76,998,827,413,494,864
  5. Step 5: Solve for x
    x = 76,998,827,413,494,864/414,878,469.40
  6. Step 6: Final answer
    x = 185,593,693.32

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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.