Home / 538,097,241,967.89-807,146,639,780.57-219,743,440,715.38

Finding the Fourth Proportional to 538,097,241,967.89, 807,146,639,780.57 and 219,743,440,715.38

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Solution

The fourth proportional to 538,097,241,967.89, 807,146,639,780.57 and 219,743,440,715.38 is: 329,615,478,307.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,097,241,967.89 : 807,146,639,780.57 = 219,743,440,715.38 : x
  2. Step 2: Convert to fraction form
    538,097,241,967.89/807,146,639,780.57 = 219,743,440,715.38/x
  3. Step 3: Cross multiply
    538,097,241,967.89x = 807,146,639,780.57 × 219,743,440,715.38
  4. Step 4: Simplify right side
    538,097,241,967.89x = 177,365,179,787,239,839,760,384
  5. Step 5: Solve for x
    x = 177,365,179,787,239,839,760,384/538,097,241,967.89
  6. Step 6: Final answer
    x = 329,615,478,307.59

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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.