Finding the Fourth Proportional to 20,662,470,003,576, 28,515,074,873,040 and 11,883,137,737,819
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Solution
The fourth proportional to 20,662,470,003,576, 28,515,074,873,040 and 11,883,137,737,819 is: 16,399,228,275,318.12
Step by Step Solution
- Step 1: Write the proportion equation
20,662,470,003,576 : 28,515,074,873,040 = 11,883,137,737,819 : x - Step 2: Convert to fraction form
20,662,470,003,576/28,515,074,873,040 = 11,883,137,737,819/x - Step 3: Cross multiply
20,662,470,003,576x = 28,515,074,873,040 × 11,883,137,737,819 - Step 4: Simplify right side
20,662,470,003,576x = 338,848,562,320,555,925,707,948,032 - Step 5: Solve for x
x = 338,848,562,320,555,925,707,948,032/20,662,470,003,576 - Step 6: Final answer
x = 16,399,228,275,318.12
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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.