Home / 419,907,610.40-629,861,415.60-177,570,514.40

Finding the Fourth Proportional to 419,907,610.40, 629,861,415.60 and 177,570,514.40

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Solution

The fourth proportional to 419,907,610.40, 629,861,415.60 and 177,570,514.40 is: 266,355,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,907,610.40 : 629,861,415.60 = 177,570,514.40 : x
  2. Step 2: Convert to fraction form
    419,907,610.40/629,861,415.60 = 177,570,514.40/x
  3. Step 3: Cross multiply
    419,907,610.40x = 629,861,415.60 × 177,570,514.40
  4. Step 4: Simplify right side
    419,907,610.40x = 111,844,815,568,804,192
  5. Step 5: Solve for x
    x = 111,844,815,568,804,192/419,907,610.40
  6. Step 6: Final answer
    x = 266,355,771.60

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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.