Finding the Fourth Proportional to 6,912,110,575.94, 9,538,729,175.75 and 3,740,328,527.48
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Solution
The fourth proportional to 6,912,110,575.94, 9,538,729,175.75 and 3,740,328,527.48 is: 5,161,662,340.32
Step by Step Solution
- Step 1: Write the proportion equation
6,912,110,575.94 : 9,538,729,175.75 = 3,740,328,527.48 : x - Step 2: Convert to fraction form
6,912,110,575.94/9,538,729,175.75 = 3,740,328,527.48/x - Step 3: Cross multiply
6,912,110,575.94x = 9,538,729,175.75 × 3,740,328,527.48 - Step 4: Simplify right side
6,912,110,575.94x = 35,677,980,851,897,118,720 - Step 5: Solve for x
x = 35,677,980,851,897,118,720/6,912,110,575.94 - Step 6: Final answer
x = 5,161,662,340.32
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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.