Finding the Fourth Proportional to 21,703,601,822.70, 32,555,402,734.05 and 6,981,623,240.70
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Solution
The fourth proportional to 21,703,601,822.70, 32,555,402,734.05 and 6,981,623,240.70 is: 10,472,434,861.05
Step by Step Solution
- Step 1: Write the proportion equation
21,703,601,822.70 : 32,555,402,734.05 = 6,981,623,240.70 : x - Step 2: Convert to fraction form
21,703,601,822.70/32,555,402,734.05 = 6,981,623,240.70/x - Step 3: Cross multiply
21,703,601,822.70x = 32,555,402,734.05 × 6,981,623,240.70 - Step 4: Simplify right side
21,703,601,822.70x = 227,289,556,338,391,777,280 - Step 5: Solve for x
x = 227,289,556,338,391,777,280/21,703,601,822.70 - Step 6: Final answer
x = 10,472,434,861.05
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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.