Home / 538,097,241,973.85-807,146,639,789.45-219,743,440,721.33

Finding the Fourth Proportional to 538,097,241,973.85, 807,146,639,789.45 and 219,743,440,721.33

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Solution

The fourth proportional to 538,097,241,973.85, 807,146,639,789.45 and 219,743,440,721.33 is: 329,615,478,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,097,241,973.85 : 807,146,639,789.45 = 219,743,440,721.33 : x
  2. Step 2: Convert to fraction form
    538,097,241,973.85/807,146,639,789.45 = 219,743,440,721.33/x
  3. Step 3: Cross multiply
    538,097,241,973.85x = 807,146,639,789.45 × 219,743,440,721.33
  4. Step 4: Simplify right side
    538,097,241,973.85x = 177,365,179,793,993,675,833,344
  5. Step 5: Solve for x
    x = 177,365,179,793,993,675,833,344/538,097,241,973.85
  6. Step 6: Final answer
    x = 329,615,478,316.49

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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.