Home / 363,350,147.40-544,375,682.10-221,120,789.40

Finding the Fourth Proportional to 363,350,147.40, 544,375,682.10 and 221,120,789.40

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Solution

The fourth proportional to 363,350,147.40, 544,375,682.10 and 221,120,789.40 is: 331,285,899.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,350,147.40 : 544,375,682.10 = 221,120,789.40 : x
  2. Step 2: Convert to fraction form
    363,350,147.40/544,375,682.10 = 221,120,789.40/x
  3. Step 3: Cross multiply
    363,350,147.40x = 544,375,682.10 × 221,120,789.40
  4. Step 4: Simplify right side
    363,350,147.40x = 120,372,780,556,115,456
  5. Step 5: Solve for x
    x = 120,372,780,556,115,456/363,350,147.40
  6. Step 6: Final answer
    x = 331,285,899.89

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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.