Home / 885,696,052.20-1,328,544,078.30-394,408,372.20

Finding the Fourth Proportional to 885,696,052.20, 1,328,544,078.30 and 394,408,372.20

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Solution

The fourth proportional to 885,696,052.20, 1,328,544,078.30 and 394,408,372.20 is: 591,612,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,696,052.20 : 1,328,544,078.30 = 394,408,372.20 : x
  2. Step 2: Convert to fraction form
    885,696,052.20/1,328,544,078.30 = 394,408,372.20/x
  3. Step 3: Cross multiply
    885,696,052.20x = 1,328,544,078.30 × 394,408,372.20
  4. Step 4: Simplify right side
    885,696,052.20x = 523,988,907,318,252,288
  5. Step 5: Solve for x
    x = 523,988,907,318,252,288/885,696,052.20
  6. Step 6: Final answer
    x = 591,612,558.30

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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.