Home / 339,405,343.71-468,364,272.21-198,289,649.85

Finding the Fourth Proportional to 339,405,343.71, 468,364,272.21 and 198,289,649.85

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Solution

The fourth proportional to 339,405,343.71, 468,364,272.21 and 198,289,649.85 is: 273,630,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,405,343.71 : 468,364,272.21 = 198,289,649.85 : x
  2. Step 2: Convert to fraction form
    339,405,343.71/468,364,272.21 = 198,289,649.85/x
  3. Step 3: Cross multiply
    339,405,343.71x = 468,364,272.21 × 198,289,649.85
  4. Step 4: Simplify right side
    339,405,343.71x = 92,871,787,538,770,976
  5. Step 5: Solve for x
    x = 92,871,787,538,770,976/339,405,343.71
  6. Step 6: Final answer
    x = 273,630,893.74

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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.