Home / 441,649,739.87-609,474,799.28-243,410,761.53

Finding the Fourth Proportional to 441,649,739.87, 609,474,799.28 and 243,410,761.53

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Solution

The fourth proportional to 441,649,739.87, 609,474,799.28 and 243,410,761.53 is: 335,905,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,649,739.87 : 609,474,799.28 = 243,410,761.53 : x
  2. Step 2: Convert to fraction form
    441,649,739.87/609,474,799.28 = 243,410,761.53/x
  3. Step 3: Cross multiply
    441,649,739.87x = 609,474,799.28 × 243,410,761.53
  4. Step 4: Simplify right side
    441,649,739.87x = 148,352,725,024,871,648
  5. Step 5: Solve for x
    x = 148,352,725,024,871,648/441,649,739.87
  6. Step 6: Final answer
    x = 335,905,835.86

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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.