Finding the Fourth Proportional to 5,200,403,719,412, 7,176,573,902,042.80 and 2,888,149,794,520.80
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Solution
The fourth proportional to 5,200,403,719,412, 7,176,573,902,042.80 and 2,888,149,794,520.80 is: 3,985,656,029,584.53
Step by Step Solution
- Step 1: Write the proportion equation
5,200,403,719,412 : 7,176,573,902,042.80 = 2,888,149,794,520.80 : x - Step 2: Convert to fraction form
5,200,403,719,412/7,176,573,902,042.80 = 2,888,149,794,520.80/x - Step 3: Cross multiply
5,200,403,719,412x = 7,176,573,902,042.80 × 2,888,149,794,520.80 - Step 4: Simplify right side
5,200,403,719,412x = 20,727,020,440,548,247,922,016,256 - Step 5: Solve for x
x = 20,727,020,440,548,247,922,016,256/5,200,403,719,412 - Step 6: Final answer
x = 3,985,656,029,584.53
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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.