Finding the Fourth Proportional to 424,397,373.57, 585,668,402.53 and 236,221,616.54
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Solution
The fourth proportional to 424,397,373.57, 585,668,402.53 and 236,221,616.54 is: 325,985,845.85
Step by Step Solution
- Step 1: Write the proportion equation
424,397,373.57 : 585,668,402.53 = 236,221,616.54 : x - Step 2: Convert to fraction form
424,397,373.57/585,668,402.53 = 236,221,616.54/x - Step 3: Cross multiply
424,397,373.57x = 585,668,402.53 × 236,221,616.54 - Step 4: Simplify right side
424,397,373.57x = 138,347,536,799,107,680 - Step 5: Solve for x
x = 138,347,536,799,107,680/424,397,373.57 - Step 6: Final answer
x = 325,985,845.85
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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.