Finding the Fourth Proportional to 6,981,942,403.44, 9,635,285,172.24 and 3,810,330,245.04
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Solution
The fourth proportional to 6,981,942,403.44, 9,635,285,172.24 and 3,810,330,245.04 is: 5,258,367,426.99
Step by Step Solution
- Step 1: Write the proportion equation
6,981,942,403.44 : 9,635,285,172.24 = 3,810,330,245.04 : x - Step 2: Convert to fraction form
6,981,942,403.44/9,635,285,172.24 = 3,810,330,245.04/x - Step 3: Cross multiply
6,981,942,403.44x = 9,635,285,172.24 × 3,810,330,245.04 - Step 4: Simplify right side
6,981,942,403.44x = 36,713,618,511,371,517,952 - Step 5: Solve for x
x = 36,713,618,511,371,517,952/6,981,942,403.44 - Step 6: Final answer
x = 5,258,367,426.99
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1.5x scale
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.