Home / 538,097,242,042.05-807,146,639,891.85-219,743,440,789.53

Finding the Fourth Proportional to 538,097,242,042.05, 807,146,639,891.85 and 219,743,440,789.53

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Solution

The fourth proportional to 538,097,242,042.05, 807,146,639,891.85 and 219,743,440,789.53 is: 329,615,478,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,097,242,042.05 : 807,146,639,891.85 = 219,743,440,789.53 : x
  2. Step 2: Convert to fraction form
    538,097,242,042.05/807,146,639,891.85 = 219,743,440,789.53/x
  3. Step 3: Cross multiply
    538,097,242,042.05x = 807,146,639,891.85 × 219,743,440,789.53
  4. Step 4: Simplify right side
    538,097,242,042.05x = 177,365,179,871,542,833,577,984
  5. Step 5: Solve for x
    x = 177,365,179,871,542,833,577,984/538,097,242,042.05
  6. Step 6: Final answer
    x = 329,615,478,418.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.