Home / 481,534,979.56-664,522,177.44-261,519,980.20

Finding the Fourth Proportional to 481,534,979.56, 664,522,177.44 and 261,519,980.20

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Solution

The fourth proportional to 481,534,979.56, 664,522,177.44 and 261,519,980.20 is: 360,899,693.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,534,979.56 : 664,522,177.44 = 261,519,980.20 : x
  2. Step 2: Convert to fraction form
    481,534,979.56/664,522,177.44 = 261,519,980.20/x
  3. Step 3: Cross multiply
    481,534,979.56x = 664,522,177.44 × 261,519,980.20
  4. Step 4: Simplify right side
    481,534,979.56x = 173,785,826,686,569,696
  5. Step 5: Solve for x
    x = 173,785,826,686,569,696/481,534,979.56
  6. Step 6: Final answer
    x = 360,899,693.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.