Home / 656,382,890.57-984,576,003.44-268,205,721.44

Finding the Fourth Proportional to 656,382,890.57, 984,576,003.44 and 268,205,721.44

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Solution

The fourth proportional to 656,382,890.57, 984,576,003.44 and 268,205,721.44 is: 402,309,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,382,890.57 : 984,576,003.44 = 268,205,721.44 : x
  2. Step 2: Convert to fraction form
    656,382,890.57/984,576,003.44 = 268,205,721.44/x
  3. Step 3: Cross multiply
    656,382,890.57x = 984,576,003.44 × 268,205,721.44
  4. Step 4: Simplify right side
    656,382,890.57x = 264,068,917,308,873,216
  5. Step 5: Solve for x
    x = 264,068,917,308,873,216/656,382,890.57
  6. Step 6: Final answer
    x = 402,309,263.55

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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.