Home / 12,919,388,147.52-17,832,072,858.48-8,414,492,993.57

Finding the Fourth Proportional to 12,919,388,147.52, 17,832,072,858.48 and 8,414,492,993.57

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Solution

The fourth proportional to 12,919,388,147.52, 17,832,072,858.48 and 8,414,492,993.57 is: 11,614,160,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919,388,147.52 : 17,832,072,858.48 = 8,414,492,993.57 : x
  2. Step 2: Convert to fraction form
    12,919,388,147.52/17,832,072,858.48 = 8,414,492,993.57/x
  3. Step 3: Cross multiply
    12,919,388,147.52x = 17,832,072,858.48 × 8,414,492,993.57
  4. Step 4: Simplify right side
    12,919,388,147.52x = 150,047,852,128,420,560,896
  5. Step 5: Solve for x
    x = 150,047,852,128,420,560,896/12,919,388,147.52
  6. Step 6: Final answer
    x = 11,614,160,857.70

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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.