Finding the Fourth Proportional to 7,965,682,096.12, 10,992,676,402.96 and 4,397,418,323.53
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Solution
The fourth proportional to 7,965,682,096.12, 10,992,676,402.96 and 4,397,418,323.53 is: 6,068,456,668.95
Step by Step Solution
- Step 1: Write the proportion equation
7,965,682,096.12 : 10,992,676,402.96 = 4,397,418,323.53 : x - Step 2: Convert to fraction form
7,965,682,096.12/10,992,676,402.96 = 4,397,418,323.53/x - Step 3: Cross multiply
7,965,682,096.12x = 10,992,676,402.96 × 4,397,418,323.53 - Step 4: Simplify right side
7,965,682,096.12x = 48,339,396,638,975,877,120 - Step 5: Solve for x
x = 48,339,396,638,975,877,120/7,965,682,096.12 - Step 6: Final answer
x = 6,068,456,668.95
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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.