Home / 656,382,899.19-984,576,016.37-268,205,730.06

Finding the Fourth Proportional to 656,382,899.19, 984,576,016.37 and 268,205,730.06

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Solution

The fourth proportional to 656,382,899.19, 984,576,016.37 and 268,205,730.06 is: 402,309,276.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,382,899.19 : 984,576,016.37 = 268,205,730.06 : x
  2. Step 2: Convert to fraction form
    656,382,899.19/984,576,016.37 = 268,205,730.06/x
  3. Step 3: Cross multiply
    656,382,899.19x = 984,576,016.37 × 268,205,730.06
  4. Step 4: Simplify right side
    656,382,899.19x = 264,068,929,270,752,864
  5. Step 5: Solve for x
    x = 264,068,929,270,752,864/656,382,899.19
  6. Step 6: Final answer
    x = 402,309,276.49

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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.