Finding the Fourth Proportional to 3,293,836,013.88, 4,545,366,212.13 and 1,788,427,909.37
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Solution
The fourth proportional to 3,293,836,013.88, 4,545,366,212.13 and 1,788,427,909.37 is: 2,467,961,294.31
Step by Step Solution
- Step 1: Write the proportion equation
3,293,836,013.88 : 4,545,366,212.13 = 1,788,427,909.37 : x - Step 2: Convert to fraction form
3,293,836,013.88/4,545,366,212.13 = 1,788,427,909.37/x - Step 3: Cross multiply
3,293,836,013.88x = 4,545,366,212.13 × 1,788,427,909.37 - Step 4: Simplify right side
3,293,836,013.88x = 8,129,059,792,057,965,568 - Step 5: Solve for x
x = 8,129,059,792,057,965,568/3,293,836,013.88 - Step 6: Final answer
x = 2,467,961,294.31
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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.