Home / 263,229,439.93-363,635,009.55-210,236,571.85

Finding the Fourth Proportional to 263,229,439.93, 363,635,009.55 and 210,236,571.85

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Solution

The fourth proportional to 263,229,439.93, 363,635,009.55 and 210,236,571.85 is: 290,428,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,229,439.93 : 363,635,009.55 = 210,236,571.85 : x
  2. Step 2: Convert to fraction form
    263,229,439.93/363,635,009.55 = 210,236,571.85/x
  3. Step 3: Cross multiply
    263,229,439.93x = 363,635,009.55 × 210,236,571.85
  4. Step 4: Simplify right side
    263,229,439.93x = 76,449,377,812,434,016
  5. Step 5: Solve for x
    x = 76,449,377,812,434,016/263,229,439.93
  6. Step 6: Final answer
    x = 290,428,676.34

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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.