Finding the Fourth Proportional to 5,117,874,793.11, 7,062,531,735.47 and 2,859,832,874.54
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Solution
The fourth proportional to 5,117,874,793.11, 7,062,531,735.47 and 2,859,832,874.54 is: 3,946,493,662.12
Step by Step Solution
- Step 1: Write the proportion equation
5,117,874,793.11 : 7,062,531,735.47 = 2,859,832,874.54 : x - Step 2: Convert to fraction form
5,117,874,793.11/7,062,531,735.47 = 2,859,832,874.54/x - Step 3: Cross multiply
5,117,874,793.11x = 7,062,531,735.47 × 2,859,832,874.54 - Step 4: Simplify right side
5,117,874,793.11x = 20,197,660,434,529,533,952 - Step 5: Solve for x
x = 20,197,660,434,529,533,952/5,117,874,793.11 - Step 6: Final answer
x = 3,946,493,662.12
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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.