Finding the Fourth Proportional to 7,917,448,452.12, 11,878,752,463.38 and 3,776,353,104.60
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Solution
The fourth proportional to 7,917,448,452.12, 11,878,752,463.38 and 3,776,353,104.60 is: 5,665,760,126.53
Step by Step Solution
- Step 1: Write the proportion equation
7,917,448,452.12 : 11,878,752,463.38 = 3,776,353,104.60 : x - Step 2: Convert to fraction form
7,917,448,452.12/11,878,752,463.38 = 3,776,353,104.60/x - Step 3: Cross multiply
7,917,448,452.12x = 11,878,752,463.38 × 3,776,353,104.60 - Step 4: Simplify right side
7,917,448,452.12x = 44,858,363,743,859,957,760 - Step 5: Solve for x
x = 44,858,363,743,859,957,760/7,917,448,452.12 - Step 6: Final answer
x = 5,665,760,126.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.