Finding the Fourth Proportional to 7,764,615,190.20, 11,646,922,785.30 and 7,336,061,167.80
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Solution
The fourth proportional to 7,764,615,190.20, 11,646,922,785.30 and 7,336,061,167.80 is: 11,004,091,751.70
Step by Step Solution
- Step 1: Write the proportion equation
7,764,615,190.20 : 11,646,922,785.30 = 7,336,061,167.80 : x - Step 2: Convert to fraction form
7,764,615,190.20/11,646,922,785.30 = 7,336,061,167.80/x - Step 3: Cross multiply
7,764,615,190.20x = 11,646,922,785.30 × 7,336,061,167.80 - Step 4: Simplify right side
7,764,615,190.20x = 85,442,537,969,604,345,856 - Step 5: Solve for x
x = 85,442,537,969,604,345,856/7,764,615,190.20 - Step 6: Final answer
x = 11,004,091,751.70
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Double scale
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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.