Finding the Fourth Proportional to 4,849,204,080.70, 7,273,806,121.05 and 3,686,942,613.70
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Solution
The fourth proportional to 4,849,204,080.70, 7,273,806,121.05 and 3,686,942,613.70 is: 5,530,413,920.55
Step by Step Solution
- Step 1: Write the proportion equation
4,849,204,080.70 : 7,273,806,121.05 = 3,686,942,613.70 : x - Step 2: Convert to fraction form
4,849,204,080.70/7,273,806,121.05 = 3,686,942,613.70/x - Step 3: Cross multiply
4,849,204,080.70x = 7,273,806,121.05 × 3,686,942,613.70 - Step 4: Simplify right side
4,849,204,080.70x = 26,818,105,751,491,145,728 - Step 5: Solve for x
x = 26,818,105,751,491,145,728/4,849,204,080.70 - Step 6: Final answer
x = 5,530,413,920.55
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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.