Home / 404,190,638.70-606,285,958.05-145,414,301.10

Finding the Fourth Proportional to 404,190,638.70, 606,285,958.05 and 145,414,301.10

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Solution

The fourth proportional to 404,190,638.70, 606,285,958.05 and 145,414,301.10 is: 218,121,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,190,638.70 : 606,285,958.05 = 145,414,301.10 : x
  2. Step 2: Convert to fraction form
    404,190,638.70/606,285,958.05 = 145,414,301.10/x
  3. Step 3: Cross multiply
    404,190,638.70x = 606,285,958.05 × 145,414,301.10
  4. Step 4: Simplify right side
    404,190,638.70x = 88,162,648,856,584,656
  5. Step 5: Solve for x
    x = 88,162,648,856,584,656/404,190,638.70
  6. Step 6: Final answer
    x = 218,121,451.65

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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.