Home / 394,644,811.60-591,967,217.40-167,680,536.40

Finding the Fourth Proportional to 394,644,811.60, 591,967,217.40 and 167,680,536.40

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Solution

The fourth proportional to 394,644,811.60, 591,967,217.40 and 167,680,536.40 is: 251,520,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,644,811.60 : 591,967,217.40 = 167,680,536.40 : x
  2. Step 2: Convert to fraction form
    394,644,811.60/591,967,217.40 = 167,680,536.40/x
  3. Step 3: Cross multiply
    394,644,811.60x = 591,967,217.40 × 167,680,536.40
  4. Step 4: Simplify right side
    394,644,811.60x = 99,261,380,544,847,408
  5. Step 5: Solve for x
    x = 99,261,380,544,847,408/394,644,811.60
  6. Step 6: Final answer
    x = 251,520,804.60

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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.