Home / 338,568,978,125.95-467,225,266,077.96-186,321,806,116.64

Finding the Fourth Proportional to 338,568,978,125.95, 467,225,266,077.96 and 186,321,806,116.64

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Solution

The fourth proportional to 338,568,978,125.95, 467,225,266,077.96 and 186,321,806,116.64 is: 257,124,134,410.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,568,978,125.95 : 467,225,266,077.96 = 186,321,806,116.64 : x
  2. Step 2: Convert to fraction form
    338,568,978,125.95/467,225,266,077.96 = 186,321,806,116.64/x
  3. Step 3: Cross multiply
    338,568,978,125.95x = 467,225,266,077.96 × 186,321,806,116.64
  4. Step 4: Simplify right side
    338,568,978,125.95x = 87,054,255,438,973,202,595,840
  5. Step 5: Solve for x
    x = 87,054,255,438,973,202,595,840/338,568,978,125.95
  6. Step 6: Final answer
    x = 257,124,134,410.77

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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.