Home / 428,491,062.72-590,770,240.56-277,516,964.16

Finding the Fourth Proportional to 428,491,062.72, 590,770,240.56 and 277,516,964.16

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Solution

The fourth proportional to 428,491,062.72, 590,770,240.56 and 277,516,964.16 is: 382,618,864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,491,062.72 : 590,770,240.56 = 277,516,964.16 : x
  2. Step 2: Convert to fraction form
    428,491,062.72/590,770,240.56 = 277,516,964.16/x
  3. Step 3: Cross multiply
    428,491,062.72x = 590,770,240.56 × 277,516,964.16
  4. Step 4: Simplify right side
    428,491,062.72x = 163,948,763,676,284,096
  5. Step 5: Solve for x
    x = 163,948,763,676,284,096/428,491,062.72
  6. Step 6: Final answer
    x = 382,618,864.06

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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.