Finding the Fourth Proportional to 20,874,884,703,474, 28,808,233,739,974 and 11,625,867,520,816
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Solution
The fourth proportional to 20,874,884,703,474, 28,808,233,739,974 and 11,625,867,520,816 is: 16,044,194,433,988.99
Step by Step Solution
- Step 1: Write the proportion equation
20,874,884,703,474 : 28,808,233,739,974 = 11,625,867,520,816 : x - Step 2: Convert to fraction form
20,874,884,703,474/28,808,233,739,974 = 11,625,867,520,816/x - Step 3: Cross multiply
20,874,884,703,474x = 28,808,233,739,974 × 11,625,867,520,816 - Step 4: Simplify right side
20,874,884,703,474x = 334,920,708,969,639,397,134,696,448 - Step 5: Solve for x
x = 334,920,708,969,639,397,134,696,448/20,874,884,703,474 - Step 6: Final answer
x = 16,044,194,433,988.99
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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.