Home / 303,281,987,999.70-418,542,299,593.72-167,951,168,435.88

Finding the Fourth Proportional to 303,281,987,999.70, 418,542,299,593.72 and 167,951,168,435.88

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Solution

The fourth proportional to 303,281,987,999.70, 418,542,299,593.72 and 167,951,168,435.88 is: 231,779,898,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,281,987,999.70 : 418,542,299,593.72 = 167,951,168,435.88 : x
  2. Step 2: Convert to fraction form
    303,281,987,999.70/418,542,299,593.72 = 167,951,168,435.88/x
  3. Step 3: Cross multiply
    303,281,987,999.70x = 418,542,299,593.72 × 167,951,168,435.88
  4. Step 4: Simplify right side
    303,281,987,999.70x = 70,294,668,256,605,412,261,888
  5. Step 5: Solve for x
    x = 70,294,668,256,605,412,261,888/303,281,987,999.70
  6. Step 6: Final answer
    x = 231,779,898,042.20

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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.