Home / 20,662,469,737,798-28,515,074,505,984-11,883,137,471,450

Finding the Fourth Proportional to 20,662,469,737,798, 28,515,074,505,984 and 11,883,137,471,450

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Solution

The fourth proportional to 20,662,469,737,798, 28,515,074,505,984 and 11,883,137,471,450 is: 16,399,227,907,561.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,662,469,737,798 : 28,515,074,505,984 = 11,883,137,471,450 : x
  2. Step 2: Convert to fraction form
    20,662,469,737,798/28,515,074,505,984 = 11,883,137,471,450/x
  3. Step 3: Cross multiply
    20,662,469,737,798x = 28,515,074,505,984 × 11,883,137,471,450
  4. Step 4: Simplify right side
    20,662,469,737,798x = 338,848,550,363,247,058,157,043,712
  5. Step 5: Solve for x
    x = 338,848,550,363,247,058,157,043,712/20,662,469,737,798
  6. Step 6: Final answer
    x = 16,399,227,907,561.75

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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.