Finding the Fourth Proportional to 9,072,358,728,131.70, 13,608,538,092,198 and 9,072,358,728,131.70
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Solution
The fourth proportional to 9,072,358,728,131.70, 13,608,538,092,198 and 9,072,358,728,131.70 is: 13,608,538,092,198
Step by Step Solution
- Step 1: Write the proportion equation
9,072,358,728,131.70 : 13,608,538,092,198 = 9,072,358,728,131.70 : x - Step 2: Convert to fraction form
9,072,358,728,131.70/13,608,538,092,198 = 9,072,358,728,131.70/x - Step 3: Cross multiply
9,072,358,728,131.70x = 13,608,538,092,198 × 9,072,358,728,131.70 - Step 4: Simplify right side
9,072,358,728,131.70x = 123,461,539,337,865,235,758,317,568 - Step 5: Solve for x
x = 123,461,539,337,865,235,758,317,568/9,072,358,728,131.70 - Step 6: Final answer
x = 13,608,538,092,198
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Double scale
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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.