Finding the Fourth Proportional to 18,010,086,617.99, 24,853,921,888.68 and 9,981,945,456.48
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Solution
The fourth proportional to 18,010,086,617.99, 24,853,921,888.68 and 9,981,945,456.48 is: 13,775,086,035.66
Step by Step Solution
- Step 1: Write the proportion equation
18,010,086,617.99 : 24,853,921,888.68 = 9,981,945,456.48 : x - Step 2: Convert to fraction form
18,010,086,617.99/24,853,921,888.68 = 9,981,945,456.48/x - Step 3: Cross multiply
18,010,086,617.99x = 24,853,921,888.68 × 9,981,945,456.48 - Step 4: Simplify right side
18,010,086,617.99x = 248,090,492,672,418,152,448 - Step 5: Solve for x
x = 248,090,492,672,418,152,448/18,010,086,617.99 - Step 6: Final answer
x = 13,775,086,035.66
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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.