Home / 319,659,236.82-440,886,672.50-275,080,346.54

Finding the Fourth Proportional to 319,659,236.82, 440,886,672.50 and 275,080,346.54

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Solution

The fourth proportional to 319,659,236.82, 440,886,672.50 and 275,080,346.54 is: 379,401,702.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,659,236.82 : 440,886,672.50 = 275,080,346.54 : x
  2. Step 2: Convert to fraction form
    319,659,236.82/440,886,672.50 = 275,080,346.54/x
  3. Step 3: Cross multiply
    319,659,236.82x = 440,886,672.50 × 275,080,346.54
  4. Step 4: Simplify right side
    319,659,236.82x = 121,279,258,656,167,504
  5. Step 5: Solve for x
    x = 121,279,258,656,167,504/319,659,236.82
  6. Step 6: Final answer
    x = 379,401,702.46

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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.