Home / 580,248,074.52-800,761,995.42-315,940,318.20

Finding the Fourth Proportional to 580,248,074.52, 800,761,995.42 and 315,940,318.20

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Solution

The fourth proportional to 580,248,074.52, 800,761,995.42 and 315,940,318.20 is: 436,008,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,248,074.52 : 800,761,995.42 = 315,940,318.20 : x
  2. Step 2: Convert to fraction form
    580,248,074.52/800,761,995.42 = 315,940,318.20/x
  3. Step 3: Cross multiply
    580,248,074.52x = 800,761,995.42 × 315,940,318.20
  4. Step 4: Simplify right side
    580,248,074.52x = 252,992,999,635,461,728
  5. Step 5: Solve for x
    x = 252,992,999,635,461,728/580,248,074.52
  6. Step 6: Final answer
    x = 436,008,339.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.