Finding the Fourth Proportional to 6,646,882,744.80, 9,970,324,117.20 and 3,207,029,176.80
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Solution
The fourth proportional to 6,646,882,744.80, 9,970,324,117.20 and 3,207,029,176.80 is: 4,810,543,765.20
Step by Step Solution
- Step 1: Write the proportion equation
6,646,882,744.80 : 9,970,324,117.20 = 3,207,029,176.80 : x - Step 2: Convert to fraction form
6,646,882,744.80/9,970,324,117.20 = 3,207,029,176.80/x - Step 3: Cross multiply
6,646,882,744.80x = 9,970,324,117.20 × 3,207,029,176.80 - Step 4: Simplify right side
6,646,882,744.80x = 31,975,120,346,013,106,176 - Step 5: Solve for x
x = 31,975,120,346,013,106,176/6,646,882,744.80 - Step 6: Final answer
x = 4,810,543,765.20
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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.