Home / 19,511,187,665.50-26,925,438,975.78-11,053,011,442.78

Finding the Fourth Proportional to 19,511,187,665.50, 26,925,438,975.78 and 11,053,011,442.78

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Solution

The fourth proportional to 19,511,187,665.50, 26,925,438,975.78 and 11,053,011,442.78 is: 15,253,155,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511,187,665.50 : 26,925,438,975.78 = 11,053,011,442.78 : x
  2. Step 2: Convert to fraction form
    19,511,187,665.50/26,925,438,975.78 = 11,053,011,442.78/x
  3. Step 3: Cross multiply
    19,511,187,665.50x = 26,925,438,975.78 × 11,053,011,442.78
  4. Step 4: Simplify right side
    19,511,187,665.50x = 297,607,185,101,170,933,760
  5. Step 5: Solve for x
    x = 297,607,185,101,170,933,760/19,511,187,665.50
  6. Step 6: Final answer
    x = 15,253,155,789.56

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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.