Home / 338,568,978,671.68-467,225,266,830.63-186,321,806,662.33

Finding the Fourth Proportional to 338,568,978,671.68, 467,225,266,830.63 and 186,321,806,662.33

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Solution

The fourth proportional to 338,568,978,671.68, 467,225,266,830.63 and 186,321,806,662.33 is: 257,124,135,163.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,568,978,671.68 : 467,225,266,830.63 = 186,321,806,662.33 : x
  2. Step 2: Convert to fraction form
    338,568,978,671.68/467,225,266,830.63 = 186,321,806,662.33/x
  3. Step 3: Cross multiply
    338,568,978,671.68x = 467,225,266,830.63 × 186,321,806,662.33
  4. Step 4: Simplify right side
    338,568,978,671.68x = 87,054,255,834,172,185,640,960
  5. Step 5: Solve for x
    x = 87,054,255,834,172,185,640,960/338,568,978,671.68
  6. Step 6: Final answer
    x = 257,124,135,163.58

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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.