Home / 15,684,379,810.44-21,644,517,436.34-8,910,570,087.03

Finding the Fourth Proportional to 15,684,379,810.44, 21,644,517,436.34 and 8,910,570,087.03

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Solution

The fourth proportional to 15,684,379,810.44, 21,644,517,436.34 and 8,910,570,087.03 is: 12,296,628,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684,379,810.44 : 21,644,517,436.34 = 8,910,570,087.03 : x
  2. Step 2: Convert to fraction form
    15,684,379,810.44/21,644,517,436.34 = 8,910,570,087.03/x
  3. Step 3: Cross multiply
    15,684,379,810.44x = 21,644,517,436.34 × 8,910,570,087.03
  4. Step 4: Simplify right side
    15,684,379,810.44x = 192,864,989,616,450,469,888
  5. Step 5: Solve for x
    x = 192,864,989,616,450,469,888/15,684,379,810.44
  6. Step 6: Final answer
    x = 12,296,628,361.94

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1.5x scale

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.