Finding the Fourth Proportional to 3,476,715,414.40, 5,215,073,121.60 and 1,148,011,811.20
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Solution
The fourth proportional to 3,476,715,414.40, 5,215,073,121.60 and 1,148,011,811.20 is: 1,722,017,716.80
Step by Step Solution
- Step 1: Write the proportion equation
3,476,715,414.40 : 5,215,073,121.60 = 1,148,011,811.20 : x - Step 2: Convert to fraction form
3,476,715,414.40/5,215,073,121.60 = 1,148,011,811.20/x - Step 3: Cross multiply
3,476,715,414.40x = 5,215,073,121.60 × 1,148,011,811.20 - Step 4: Simplify right side
3,476,715,414.40x = 5,986,965,539,868,454,912 - Step 5: Solve for x
x = 5,986,965,539,868,454,912/3,476,715,414.40 - Step 6: Final answer
x = 1,722,017,716.80
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1.5x scale
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.