Home / 275,319,758.43-412,979,637.64-207,295,310.43

Finding the Fourth Proportional to 275,319,758.43, 412,979,637.64 and 207,295,310.43

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Solution

The fourth proportional to 275,319,758.43, 412,979,637.64 and 207,295,310.43 is: 310,942,965.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,319,758.43 : 412,979,637.64 = 207,295,310.43 : x
  2. Step 2: Convert to fraction form
    275,319,758.43/412,979,637.64 = 207,295,310.43/x
  3. Step 3: Cross multiply
    275,319,758.43x = 412,979,637.64 × 207,295,310.43
  4. Step 4: Simplify right side
    275,319,758.43x = 85,608,742,185,852,720
  5. Step 5: Solve for x
    x = 85,608,742,185,852,720/275,319,758.43
  6. Step 6: Final answer
    x = 310,942,965.64

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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.