Finding the Fourth Proportional to 325,835,227.80, 488,752,841.70 and 121,320,984.60
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Solution
The fourth proportional to 325,835,227.80, 488,752,841.70 and 121,320,984.60 is: 181,981,476.90
Step by Step Solution
- Step 1: Write the proportion equation
325,835,227.80 : 488,752,841.70 = 121,320,984.60 : x - Step 2: Convert to fraction form
325,835,227.80/488,752,841.70 = 121,320,984.60/x - Step 3: Cross multiply
325,835,227.80x = 488,752,841.70 × 121,320,984.60 - Step 4: Simplify right side
325,835,227.80x = 59,295,975,981,091,936 - Step 5: Solve for x
x = 59,295,975,981,091,936/325,835,227.80 - Step 6: Final answer
x = 181,981,476.90
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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.