Home / 394,524,433.96-543,998,180.10-295,086,507.64

Finding the Fourth Proportional to 394,524,433.96, 543,998,180.10 and 295,086,507.64

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Solution

The fourth proportional to 394,524,433.96, 543,998,180.10 and 295,086,507.64 is: 406,886,137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,524,433.96 : 543,998,180.10 = 295,086,507.64 : x
  2. Step 2: Convert to fraction form
    394,524,433.96/543,998,180.10 = 295,086,507.64/x
  3. Step 3: Cross multiply
    394,524,433.96x = 543,998,180.10 × 295,086,507.64
  4. Step 4: Simplify right side
    394,524,433.96x = 160,526,523,128,224,736
  5. Step 5: Solve for x
    x = 160,526,523,128,224,736/394,524,433.96
  6. Step 6: Final answer
    x = 406,886,137.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.