Home / 300,052,189.01-449,495,919.98-221,125,355.39

Finding the Fourth Proportional to 300,052,189.01, 449,495,919.98 and 221,125,355.39

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Solution

The fourth proportional to 300,052,189.01, 449,495,919.98 and 221,125,355.39 is: 331,258,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,052,189.01 : 449,495,919.98 = 221,125,355.39 : x
  2. Step 2: Convert to fraction form
    300,052,189.01/449,495,919.98 = 221,125,355.39/x
  3. Step 3: Cross multiply
    300,052,189.01x = 449,495,919.98 × 221,125,355.39
  4. Step 4: Simplify right side
    300,052,189.01x = 99,394,945,053,622,608
  5. Step 5: Solve for x
    x = 99,394,945,053,622,608/300,052,189.01
  6. Step 6: Final answer
    x = 331,258,856.60

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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.