Finding the Fourth Proportional to 7,186,301,252.80, 10,777,538,691.60 and 2,212,013,492.80
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Solution
The fourth proportional to 7,186,301,252.80, 10,777,538,691.60 and 2,212,013,492.80 is: 3,317,431,341.43
Step by Step Solution
- Step 1: Write the proportion equation
7,186,301,252.80 : 10,777,538,691.60 = 2,212,013,492.80 : x - Step 2: Convert to fraction form
7,186,301,252.80/10,777,538,691.60 = 2,212,013,492.80/x - Step 3: Cross multiply
7,186,301,252.80x = 10,777,538,691.60 × 2,212,013,492.80 - Step 4: Simplify right side
7,186,301,252.80x = 23,840,061,004,993,261,568 - Step 5: Solve for x
x = 23,840,061,004,993,261,568/7,186,301,252.80 - Step 6: Final answer
x = 3,317,431,341.43
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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.