Home / 439,338,234.22-658,986,056.78-163,043,313.11

Finding the Fourth Proportional to 439,338,234.22, 658,986,056.78 and 163,043,313.11

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Solution

The fourth proportional to 439,338,234.22, 658,986,056.78 and 163,043,313.11 is: 244,557,067.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,338,234.22 : 658,986,056.78 = 163,043,313.11 : x
  2. Step 2: Convert to fraction form
    439,338,234.22/658,986,056.78 = 163,043,313.11/x
  3. Step 3: Cross multiply
    439,338,234.22x = 658,986,056.78 × 163,043,313.11
  4. Step 4: Simplify right side
    439,338,234.22x = 107,443,269,989,983,120
  5. Step 5: Solve for x
    x = 107,443,269,989,983,120/439,338,234.22
  6. Step 6: Final answer
    x = 244,557,067.02

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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.