Home / 13,669,287,847,791-18,863,631,190,729-7,419,154,156,616

Finding the Fourth Proportional to 13,669,287,847,791, 18,863,631,190,729 and 7,419,154,156,616

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Solution

The fourth proportional to 13,669,287,847,791, 18,863,631,190,729 and 7,419,154,156,616 is: 10,238,440,313,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669,287,847,791 : 18,863,631,190,729 = 7,419,154,156,616 : x
  2. Step 2: Convert to fraction form
    13,669,287,847,791/18,863,631,190,729 = 7,419,154,156,616/x
  3. Step 3: Cross multiply
    13,669,287,847,791x = 18,863,631,190,729 × 7,419,154,156,616
  4. Step 4: Simplify right side
    13,669,287,847,791x = 139,952,187,757,568,280,762,515,456
  5. Step 5: Solve for x
    x = 139,952,187,757,568,280,762,515,456/13,669,287,847,791
  6. Step 6: Final answer
    x = 10,238,440,313,493.36

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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.