Home / 557,638,634.30-836,457,951.45-327,717,866.30

Finding the Fourth Proportional to 557,638,634.30, 836,457,951.45 and 327,717,866.30

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Solution

The fourth proportional to 557,638,634.30, 836,457,951.45 and 327,717,866.30 is: 491,576,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,638,634.30 : 836,457,951.45 = 327,717,866.30 : x
  2. Step 2: Convert to fraction form
    557,638,634.30/836,457,951.45 = 327,717,866.30/x
  3. Step 3: Cross multiply
    557,638,634.30x = 836,457,951.45 × 327,717,866.30
  4. Step 4: Simplify right side
    557,638,634.30x = 274,122,215,098,863,008
  5. Step 5: Solve for x
    x = 274,122,215,098,863,008/557,638,634.30
  6. Step 6: Final answer
    x = 491,576,799.45

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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.