Home / 1,468,391,627.92-2,202,660,630.96-419,285,431.60

Finding the Fourth Proportional to 1,468,391,627.92, 2,202,660,630.96 and 419,285,431.60

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Solution

The fourth proportional to 1,468,391,627.92, 2,202,660,630.96 and 419,285,431.60 is: 628,949,045.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468,391,627.92 : 2,202,660,630.96 = 419,285,431.60 : x
  2. Step 2: Convert to fraction form
    1,468,391,627.92/2,202,660,630.96 = 419,285,431.60/x
  3. Step 3: Cross multiply
    1,468,391,627.92x = 2,202,660,630.96 × 419,285,431.60
  4. Step 4: Simplify right side
    1,468,391,627.92x = 923,543,513,320,391,936
  5. Step 5: Solve for x
    x = 923,543,513,320,391,936/1,468,391,627.92
  6. Step 6: Final answer
    x = 628,949,045.85

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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.