Finding the Fourth Proportional to 1,160,992,903.40, 1,629,981,715 and 1,160,992,903.40
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Solution
The fourth proportional to 1,160,992,903.40, 1,629,981,715 and 1,160,992,903.40 is: 1,629,981,715
Step by Step Solution
- Step 1: Write the proportion equation
1,160,992,903.40 : 1,629,981,715 = 1,160,992,903.40 : x - Step 2: Convert to fraction form
1,160,992,903.40/1,629,981,715 = 1,160,992,903.40/x - Step 3: Cross multiply
1,160,992,903.40x = 1,629,981,715 × 1,160,992,903.40 - Step 4: Simplify right side
1,160,992,903.40x = 1,892,397,203,786,761,472 - Step 5: Solve for x
x = 1,892,397,203,786,761,472/1,160,992,903.40 - Step 6: Final answer
x = 1,629,981,715
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.