Home / 303,281,988,016.45-418,542,299,616.78-167,951,168,452.60

Finding the Fourth Proportional to 303,281,988,016.45, 418,542,299,616.78 and 167,951,168,452.60

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Solution

The fourth proportional to 303,281,988,016.45, 418,542,299,616.78 and 167,951,168,452.60 is: 231,779,898,065.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,281,988,016.45 : 418,542,299,616.78 = 167,951,168,452.60 : x
  2. Step 2: Convert to fraction form
    303,281,988,016.45/418,542,299,616.78 = 167,951,168,452.60/x
  3. Step 3: Cross multiply
    303,281,988,016.45x = 418,542,299,616.78 × 167,951,168,452.60
  4. Step 4: Simplify right side
    303,281,988,016.45x = 70,294,668,267,476,402,307,072
  5. Step 5: Solve for x
    x = 70,294,668,267,476,402,307,072/303,281,988,016.45
  6. Step 6: Final answer
    x = 231,779,898,065.24

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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.