Home / 386,969,440.92-580,703,884.04-141,305,507.28

Finding the Fourth Proportional to 386,969,440.92, 580,703,884.04 and 141,305,507.28

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Solution

The fourth proportional to 386,969,440.92, 580,703,884.04 and 141,305,507.28 is: 212,049,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,969,440.92 : 580,703,884.04 = 141,305,507.28 : x
  2. Step 2: Convert to fraction form
    386,969,440.92/580,703,884.04 = 141,305,507.28/x
  3. Step 3: Cross multiply
    386,969,440.92x = 580,703,884.04 × 141,305,507.28
  4. Step 4: Simplify right side
    386,969,440.92x = 82,056,656,913,738,496
  5. Step 5: Solve for x
    x = 82,056,656,913,738,496/386,969,440.92
  6. Step 6: Final answer
    x = 212,049,449.48

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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.