Home / 12,754,610,040.60-19,131,915,060.90-7,511,519,422.80

Finding the Fourth Proportional to 12,754,610,040.60, 19,131,915,060.90 and 7,511,519,422.80

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Solution

The fourth proportional to 12,754,610,040.60, 19,131,915,060.90 and 7,511,519,422.80 is: 11,267,279,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,610,040.60 : 19,131,915,060.90 = 7,511,519,422.80 : x
  2. Step 2: Convert to fraction form
    12,754,610,040.60/19,131,915,060.90 = 7,511,519,422.80/x
  3. Step 3: Cross multiply
    12,754,610,040.60x = 19,131,915,060.90 × 7,511,519,422.80
  4. Step 4: Simplify right side
    12,754,610,040.60x = 143,709,751,575,310,204,928
  5. Step 5: Solve for x
    x = 143,709,751,575,310,204,928/12,754,610,040.60
  6. Step 6: Final answer
    x = 11,267,279,134.20

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1.5x scale

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.