Home / 354,305,615.10-531,458,422.65-305,838,195.90

Finding the Fourth Proportional to 354,305,615.10, 531,458,422.65 and 305,838,195.90

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Solution

The fourth proportional to 354,305,615.10, 531,458,422.65 and 305,838,195.90 is: 458,757,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,305,615.10 : 531,458,422.65 = 305,838,195.90 : x
  2. Step 2: Convert to fraction form
    354,305,615.10/531,458,422.65 = 305,838,195.90/x
  3. Step 3: Cross multiply
    354,305,615.10x = 531,458,422.65 × 305,838,195.90
  4. Step 4: Simplify right side
    354,305,615.10x = 162,540,285,179,135,680
  5. Step 5: Solve for x
    x = 162,540,285,179,135,680/354,305,615.10
  6. Step 6: Final answer
    x = 458,757,293.85

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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.