Home / 386,969,433.48-580,703,872.80-141,305,499.84

Finding the Fourth Proportional to 386,969,433.48, 580,703,872.80 and 141,305,499.84

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Solution

The fourth proportional to 386,969,433.48, 580,703,872.80 and 141,305,499.84 is: 212,049,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,969,433.48 : 580,703,872.80 = 141,305,499.84 : x
  2. Step 2: Convert to fraction form
    386,969,433.48/580,703,872.80 = 141,305,499.84/x
  3. Step 3: Cross multiply
    386,969,433.48x = 580,703,872.80 × 141,305,499.84
  4. Step 4: Simplify right side
    386,969,433.48x = 82,056,651,005,027,776
  5. Step 5: Solve for x
    x = 82,056,651,005,027,776/386,969,433.48
  6. Step 6: Final answer
    x = 212,049,438.29

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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.