Finding the Fourth Proportional to 4,137,372,157.40, 6,209,081,544.90 and 2,912,932,093.40
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Solution
The fourth proportional to 4,137,372,157.40, 6,209,081,544.90 and 2,912,932,093.40 is: 4,371,526,711.79
Step by Step Solution
- Step 1: Write the proportion equation
4,137,372,157.40 : 6,209,081,544.90 = 2,912,932,093.40 : x - Step 2: Convert to fraction form
4,137,372,157.40/6,209,081,544.90 = 2,912,932,093.40/x - Step 3: Cross multiply
4,137,372,157.40x = 6,209,081,544.90 × 2,912,932,093.40 - Step 4: Simplify right side
4,137,372,157.40x = 18,086,632,902,676,862,976 - Step 5: Solve for x
x = 18,086,632,902,676,862,976/4,137,372,157.40 - Step 6: Final answer
x = 4,371,526,711.79
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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.