Finding the Fourth Proportional to 4,149,574,912.20, 5,726,396,259 and 2,244,338,515.20
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Solution
The fourth proportional to 4,149,574,912.20, 5,726,396,259 and 2,244,338,515.20 is: 3,097,177,891.54
Step by Step Solution
- Step 1: Write the proportion equation
4,149,574,912.20 : 5,726,396,259 = 2,244,338,515.20 : x - Step 2: Convert to fraction form
4,149,574,912.20/5,726,396,259 = 2,244,338,515.20/x - Step 3: Cross multiply
4,149,574,912.20x = 5,726,396,259 × 2,244,338,515.20 - Step 4: Simplify right side
4,149,574,912.20x = 12,851,971,677,370,894,336 - Step 5: Solve for x
x = 12,851,971,677,370,894,336/4,149,574,912.20 - Step 6: Final answer
x = 3,097,177,891.54
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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.