Home / 303,281,987,999.43-418,542,299,593.36-167,951,168,435.64

Finding the Fourth Proportional to 303,281,987,999.43, 418,542,299,593.36 and 167,951,168,435.64

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Solution

The fourth proportional to 303,281,987,999.43, 418,542,299,593.36 and 167,951,168,435.64 is: 231,779,898,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,281,987,999.43 : 418,542,299,593.36 = 167,951,168,435.64 : x
  2. Step 2: Convert to fraction form
    303,281,987,999.43/418,542,299,593.36 = 167,951,168,435.64/x
  3. Step 3: Cross multiply
    303,281,987,999.43x = 418,542,299,593.36 × 167,951,168,435.64
  4. Step 4: Simplify right side
    303,281,987,999.43x = 70,294,668,256,444,510,371,840
  5. Step 5: Solve for x
    x = 70,294,668,256,444,510,371,840/303,281,987,999.43
  6. Step 6: Final answer
    x = 231,779,898,041.87

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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.