Finding the Fourth Proportional to 424,397,373.82, 585,668,402.87 and 236,221,616.79
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Solution
The fourth proportional to 424,397,373.82, 585,668,402.87 and 236,221,616.79 is: 325,985,846.20
Step by Step Solution
- Step 1: Write the proportion equation
424,397,373.82 : 585,668,402.87 = 236,221,616.79 : x - Step 2: Convert to fraction form
424,397,373.82/585,668,402.87 = 236,221,616.79/x - Step 3: Cross multiply
424,397,373.82x = 585,668,402.87 × 236,221,616.79 - Step 4: Simplify right side
424,397,373.82x = 138,347,537,029,359,008 - Step 5: Solve for x
x = 138,347,537,029,359,008/424,397,373.82 - Step 6: Final answer
x = 325,985,846.20
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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.