Home / 291,029,168.40-436,543,752.60-199,196,163.60

Finding the Fourth Proportional to 291,029,168.40, 436,543,752.60 and 199,196,163.60

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Solution

The fourth proportional to 291,029,168.40, 436,543,752.60 and 199,196,163.60 is: 298,794,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,029,168.40 : 436,543,752.60 = 199,196,163.60 : x
  2. Step 2: Convert to fraction form
    291,029,168.40/436,543,752.60 = 199,196,163.60/x
  3. Step 3: Cross multiply
    291,029,168.40x = 436,543,752.60 × 199,196,163.60
  4. Step 4: Simplify right side
    291,029,168.40x = 86,957,840,761,467,520
  5. Step 5: Solve for x
    x = 86,957,840,761,467,520/291,029,168.40
  6. Step 6: Final answer
    x = 298,794,245.40

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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.