Finding the Fourth Proportional to 197,328,310,535.97, 272,306,022,805.44 and 111,687,437,546.91
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Solution
The fourth proportional to 197,328,310,535.97, 272,306,022,805.44 and 111,687,437,546.91 is: 154,124,675,942.97
Step by Step Solution
- Step 1: Write the proportion equation
197,328,310,535.97 : 272,306,022,805.44 = 111,687,437,546.91 : x - Step 2: Convert to fraction form
197,328,310,535.97/272,306,022,805.44 = 111,687,437,546.91/x - Step 3: Cross multiply
197,328,310,535.97x = 272,306,022,805.44 × 111,687,437,546.91 - Step 4: Simplify right side
197,328,310,535.97x = 30,413,161,915,730,033,115,136 - Step 5: Solve for x
x = 30,413,161,915,730,033,115,136/197,328,310,535.97 - Step 6: Final answer
x = 154,124,675,942.97
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1.5x scale
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.