Home / 202,187,992,022.33-279,028,199,760.21-111,967,445,646.38

Finding the Fourth Proportional to 202,187,992,022.33, 279,028,199,760.21 and 111,967,445,646.38

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Solution

The fourth proportional to 202,187,992,022.33, 279,028,199,760.21 and 111,967,445,646.38 is: 154,519,932,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187,992,022.33 : 279,028,199,760.21 = 111,967,445,646.38 : x
  2. Step 2: Convert to fraction form
    202,187,992,022.33/279,028,199,760.21 = 111,967,445,646.38/x
  3. Step 3: Cross multiply
    202,187,992,022.33x = 279,028,199,760.21 × 111,967,445,646.38
  4. Step 4: Simplify right side
    202,187,992,022.33x = 31,242,074,790,458,577,387,520
  5. Step 5: Solve for x
    x = 31,242,074,790,458,577,387,520/202,187,992,022.33
  6. Step 6: Final answer
    x = 154,519,932,059.11

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1.5x scale

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.