Home / 443,232,174.20-664,848,261.30-295,278,999.80

Finding the Fourth Proportional to 443,232,174.20, 664,848,261.30 and 295,278,999.80

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Solution

The fourth proportional to 443,232,174.20, 664,848,261.30 and 295,278,999.80 is: 442,918,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,174.20 : 664,848,261.30 = 295,278,999.80 : x
  2. Step 2: Convert to fraction form
    443,232,174.20/664,848,261.30 = 295,278,999.80/x
  3. Step 3: Cross multiply
    443,232,174.20x = 664,848,261.30 × 295,278,999.80
  4. Step 4: Simplify right side
    443,232,174.20x = 196,315,729,615,433,056
  5. Step 5: Solve for x
    x = 196,315,729,615,433,056/443,232,174.20
  6. Step 6: Final answer
    x = 442,918,499.70

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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.