Home / 303,281,988,028.48-418,542,299,633.40-167,951,168,464.64

Finding the Fourth Proportional to 303,281,988,028.48, 418,542,299,633.40 and 167,951,168,464.64

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Solution

The fourth proportional to 303,281,988,028.48, 418,542,299,633.40 and 167,951,168,464.64 is: 231,779,898,081.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,281,988,028.48 : 418,542,299,633.40 = 167,951,168,464.64 : x
  2. Step 2: Convert to fraction form
    303,281,988,028.48/418,542,299,633.40 = 167,951,168,464.64/x
  3. Step 3: Cross multiply
    303,281,988,028.48x = 418,542,299,633.40 × 167,951,168,464.64
  4. Step 4: Simplify right side
    303,281,988,028.48x = 70,294,668,275,307,008,491,520
  5. Step 5: Solve for x
    x = 70,294,668,275,307,008,491,520/303,281,988,028.48
  6. Step 6: Final answer
    x = 231,779,898,081.87

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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.