Finding the Fourth Proportional to 8,716,979,420,634, 12,029,797,057,212 and 5,013,198,620,768
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Solution
The fourth proportional to 8,716,979,420,634, 12,029,797,057,212 and 5,013,198,620,768 is: 6,918,424,273,502.28
Step by Step Solution
- Step 1: Write the proportion equation
8,716,979,420,634 : 12,029,797,057,212 = 5,013,198,620,768 : x - Step 2: Convert to fraction form
8,716,979,420,634/12,029,797,057,212 = 5,013,198,620,768/x - Step 3: Cross multiply
8,716,979,420,634x = 12,029,797,057,212 × 5,013,198,620,768 - Step 4: Simplify right side
8,716,979,420,634x = 60,307,762,015,334,141,523,918,848 - Step 5: Solve for x
x = 60,307,762,015,334,141,523,918,848/8,716,979,420,634 - Step 6: Final answer
x = 6,918,424,273,502.28
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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.