Finding the Fourth Proportional to 5,117,646,519, 7,676,469,778.50 and 1,240,252,983
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Solution
The fourth proportional to 5,117,646,519, 7,676,469,778.50 and 1,240,252,983 is: 1,860,379,474.50
Step by Step Solution
- Step 1: Write the proportion equation
5,117,646,519 : 7,676,469,778.50 = 1,240,252,983 : x - Step 2: Convert to fraction form
5,117,646,519/7,676,469,778.50 = 1,240,252,983/x - Step 3: Cross multiply
5,117,646,519x = 7,676,469,778.50 × 1,240,252,983 - Step 4: Simplify right side
5,117,646,519x = 9,520,764,541,693,974,528 - Step 5: Solve for x
x = 9,520,764,541,693,974,528/5,117,646,519 - Step 6: Final answer
x = 1,860,379,474.50
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1.5x scale
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.