Finding the Fourth Proportional to 2,431,677,231.90, 3,357,361,851.93 and 1,540,394,891.82
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Solution
The fourth proportional to 2,431,677,231.90, 3,357,361,851.93 and 1,540,394,891.82 is: 2,126,788,448.26
Step by Step Solution
- Step 1: Write the proportion equation
2,431,677,231.90 : 3,357,361,851.93 = 1,540,394,891.82 : x - Step 2: Convert to fraction form
2,431,677,231.90/3,357,361,851.93 = 1,540,394,891.82/x - Step 3: Cross multiply
2,431,677,231.90x = 3,357,361,851.93 × 1,540,394,891.82 - Step 4: Simplify right side
2,431,677,231.90x = 5,171,663,046,704,307,200 - Step 5: Solve for x
x = 5,171,663,046,704,307,200/2,431,677,231.90 - Step 6: Final answer
x = 2,126,788,448.26
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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.