Finding the Fourth Proportional to 6,646,882,706.30, 9,970,324,059.45 and 3,207,029,138.30
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Solution
The fourth proportional to 6,646,882,706.30, 9,970,324,059.45 and 3,207,029,138.30 is: 4,810,543,707.45
Step by Step Solution
- Step 1: Write the proportion equation
6,646,882,706.30 : 9,970,324,059.45 = 3,207,029,138.30 : x - Step 2: Convert to fraction form
6,646,882,706.30/9,970,324,059.45 = 3,207,029,138.30/x - Step 3: Cross multiply
6,646,882,706.30x = 9,970,324,059.45 × 3,207,029,138.30 - Step 4: Simplify right side
6,646,882,706.30x = 31,975,119,776,949,694,464 - Step 5: Solve for x
x = 31,975,119,776,949,694,464/6,646,882,706.30 - Step 6: Final answer
x = 4,810,543,707.45
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Double scale
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Similar ratio
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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.