Home / 272,619,473.46-408,785,721.12-186,382,542.42

Finding the Fourth Proportional to 272,619,473.46, 408,785,721.12 and 186,382,542.42

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Solution

The fourth proportional to 272,619,473.46, 408,785,721.12 and 186,382,542.42 is: 279,475,714.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,619,473.46 : 408,785,721.12 = 186,382,542.42 : x
  2. Step 2: Convert to fraction form
    272,619,473.46/408,785,721.12 = 186,382,542.42/x
  3. Step 3: Cross multiply
    272,619,473.46x = 408,785,721.12 × 186,382,542.42
  4. Step 4: Simplify right side
    272,619,473.46x = 76,190,522,007,338,688
  5. Step 5: Solve for x
    x = 76,190,522,007,338,688/272,619,473.46
  6. Step 6: Final answer
    x = 279,475,714.04

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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.