Home / 419,100,358.40-628,650,537.60-131,886,022.40

Finding the Fourth Proportional to 419,100,358.40, 628,650,537.60 and 131,886,022.40

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Solution

The fourth proportional to 419,100,358.40, 628,650,537.60 and 131,886,022.40 is: 197,829,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,100,358.40 : 628,650,537.60 = 131,886,022.40 : x
  2. Step 2: Convert to fraction form
    419,100,358.40/628,650,537.60 = 131,886,022.40/x
  3. Step 3: Cross multiply
    419,100,358.40x = 628,650,537.60 × 131,886,022.40
  4. Step 4: Simplify right side
    419,100,358.40x = 82,910,218,883,685,648
  5. Step 5: Solve for x
    x = 82,910,218,883,685,648/419,100,358.40
  6. Step 6: Final answer
    x = 197,829,033.60

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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.