Home / 394,584,107.20-591,876,160.80-164,476,715.20

Finding the Fourth Proportional to 394,584,107.20, 591,876,160.80 and 164,476,715.20

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Solution

The fourth proportional to 394,584,107.20, 591,876,160.80 and 164,476,715.20 is: 246,715,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,584,107.20 : 591,876,160.80 = 164,476,715.20 : x
  2. Step 2: Convert to fraction form
    394,584,107.20/591,876,160.80 = 164,476,715.20/x
  3. Step 3: Cross multiply
    394,584,107.20x = 591,876,160.80 × 164,476,715.20
  4. Step 4: Simplify right side
    394,584,107.20x = 97,349,846,733,570,992
  5. Step 5: Solve for x
    x = 97,349,846,733,570,992/394,584,107.20
  6. Step 6: Final answer
    x = 246,715,072.80

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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.