Home / 515,195,318,786.58-773,145,979,139.07-179,810,244,135.54

Finding the Fourth Proportional to 515,195,318,786.58, 773,145,979,139.07 and 179,810,244,135.54

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Solution

The fourth proportional to 515,195,318,786.58, 773,145,979,139.07 and 179,810,244,135.54 is: 269,838,568,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,195,318,786.58 : 773,145,979,139.07 = 179,810,244,135.54 : x
  2. Step 2: Convert to fraction form
    515,195,318,786.58/773,145,979,139.07 = 179,810,244,135.54/x
  3. Step 3: Cross multiply
    515,195,318,786.58x = 773,145,979,139.07 × 179,810,244,135.54
  4. Step 4: Simplify right side
    515,195,318,786.58x = 139,019,567,261,407,296,618,496
  5. Step 5: Solve for x
    x = 139,019,567,261,407,296,618,496/515,195,318,786.58
  6. Step 6: Final answer
    x = 269,838,568,387.68

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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.