Home / 404,191,112.80-606,286,669.20-378,681,944.80

Finding the Fourth Proportional to 404,191,112.80, 606,286,669.20 and 378,681,944.80

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Solution

The fourth proportional to 404,191,112.80, 606,286,669.20 and 378,681,944.80 is: 568,022,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,191,112.80 : 606,286,669.20 = 378,681,944.80 : x
  2. Step 2: Convert to fraction form
    404,191,112.80/606,286,669.20 = 378,681,944.80/x
  3. Step 3: Cross multiply
    404,191,112.80x = 606,286,669.20 × 378,681,944.80
  4. Step 4: Simplify right side
    404,191,112.80x = 229,589,814,998,970,272
  5. Step 5: Solve for x
    x = 229,589,814,998,970,272/404,191,112.80
  6. Step 6: Final answer
    x = 568,022,917.20

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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.