Finding the Fourth Proportional to 2,351,173,450.99, 3,244,619,891.99 and 1,293,901,423.14
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Solution
The fourth proportional to 2,351,173,450.99, 3,244,619,891.99 and 1,293,901,423.14 is: 1,785,584,255.40
Step by Step Solution
- Step 1: Write the proportion equation
2,351,173,450.99 : 3,244,619,891.99 = 1,293,901,423.14 : x - Step 2: Convert to fraction form
2,351,173,450.99/3,244,619,891.99 = 1,293,901,423.14/x - Step 3: Cross multiply
2,351,173,450.99x = 3,244,619,891.99 × 1,293,901,423.14 - Step 4: Simplify right side
2,351,173,450.99x = 4,198,218,295,802,337,280 - Step 5: Solve for x
x = 4,198,218,295,802,337,280/2,351,173,450.99 - Step 6: Final answer
x = 1,785,584,255.40
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1.5x scale
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.