Finding the Fourth Proportional to 13,786,288,313,913, 20,679,432,470,904 and 13,786,288,313,913
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Solution
The fourth proportional to 13,786,288,313,913, 20,679,432,470,904 and 13,786,288,313,913 is: 20,679,432,470,904
Step by Step Solution
- Step 1: Write the proportion equation
13,786,288,313,913 : 20,679,432,470,904 = 13,786,288,313,913 : x - Step 2: Convert to fraction form
13,786,288,313,913/20,679,432,470,904 = 13,786,288,313,913/x - Step 3: Cross multiply
13,786,288,313,913x = 20,679,432,470,904 × 13,786,288,313,913 - Step 4: Simplify right side
13,786,288,313,913x = 285,092,618,211,976,863,912,296,448 - Step 5: Solve for x
x = 285,092,618,211,976,863,912,296,448/13,786,288,313,913 - Step 6: Final answer
x = 20,679,432,470,904
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.