Finding the Fourth Proportional to 11,876,738,421.68, 16,389,613,147.56 and 6,596,344,844.72
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Solution
The fourth proportional to 11,876,738,421.68, 16,389,613,147.56 and 6,596,344,844.72 is: 9,102,797,110.99
Step by Step Solution
- Step 1: Write the proportion equation
11,876,738,421.68 : 16,389,613,147.56 = 6,596,344,844.72 : x - Step 2: Convert to fraction form
11,876,738,421.68/16,389,613,147.56 = 6,596,344,844.72/x - Step 3: Cross multiply
11,876,738,421.68x = 16,389,613,147.56 × 6,596,344,844.72 - Step 4: Simplify right side
11,876,738,421.68x = 108,111,540,192,862,535,680 - Step 5: Solve for x
x = 108,111,540,192,862,535,680/11,876,738,421.68 - Step 6: Final answer
x = 9,102,797,110.99
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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.