Finding the Fourth Proportional to 404,644,641.99, 558,423,146.49 and 247,981,494.66
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Solution
The fourth proportional to 404,644,641.99, 558,423,146.49 and 247,981,494.66 is: 342,222,760.79
Step by Step Solution
- Step 1: Write the proportion equation
404,644,641.99 : 558,423,146.49 = 247,981,494.66 : x - Step 2: Convert to fraction form
404,644,641.99/558,423,146.49 = 247,981,494.66/x - Step 3: Cross multiply
404,644,641.99x = 558,423,146.49 × 247,981,494.66 - Step 4: Simplify right side
404,644,641.99x = 138,478,606,519,330,336 - Step 5: Solve for x
x = 138,478,606,519,330,336/404,644,641.99 - Step 6: Final answer
x = 342,222,760.79
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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.