Finding the Fourth Proportional to 3,770,858,722.86, 5,203,946,322.66 and 2,100,107,596.14
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Solution
The fourth proportional to 3,770,858,722.86, 5,203,946,322.66 and 2,100,107,596.14 is: 2,898,238,307.33
Step by Step Solution
- Step 1: Write the proportion equation
3,770,858,722.86 : 5,203,946,322.66 = 2,100,107,596.14 : x - Step 2: Convert to fraction form
3,770,858,722.86/5,203,946,322.66 = 2,100,107,596.14/x - Step 3: Cross multiply
3,770,858,722.86x = 5,203,946,322.66 × 2,100,107,596.14 - Step 4: Simplify right side
3,770,858,722.86x = 10,928,847,202,123,085,824 - Step 5: Solve for x
x = 10,928,847,202,123,085,824/3,770,858,722.86 - Step 6: Final answer
x = 2,898,238,307.33
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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.