Home / 275,319,759.43-412,979,639.14-207,295,311.43

Finding the Fourth Proportional to 275,319,759.43, 412,979,639.14 and 207,295,311.43

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Solution

The fourth proportional to 275,319,759.43, 412,979,639.14 and 207,295,311.43 is: 310,942,967.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,319,759.43 : 412,979,639.14 = 207,295,311.43 : x
  2. Step 2: Convert to fraction form
    275,319,759.43/412,979,639.14 = 207,295,311.43/x
  3. Step 3: Cross multiply
    275,319,759.43x = 412,979,639.14 × 207,295,311.43
  4. Step 4: Simplify right side
    275,319,759.43x = 85,608,742,909,775,312
  5. Step 5: Solve for x
    x = 85,608,742,909,775,312/275,319,759.43
  6. Step 6: Final answer
    x = 310,942,967.14

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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.