Finding the Fourth Proportional to 726,986,420,892.96, 1,090,479,631,414.50 and 242,940,641,222.98
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Solution
The fourth proportional to 726,986,420,892.96, 1,090,479,631,414.50 and 242,940,641,222.98 is: 364,410,961,859.55
Step by Step Solution
- Step 1: Write the proportion equation
726,986,420,892.96 : 1,090,479,631,414.50 = 242,940,641,222.98 : x - Step 2: Convert to fraction form
726,986,420,892.96/1,090,479,631,414.50 = 242,940,641,222.98/x - Step 3: Cross multiply
726,986,420,892.96x = 1,090,479,631,414.50 × 242,940,641,222.98 - Step 4: Simplify right side
726,986,420,892.96x = 264,921,820,896,437,527,904,256 - Step 5: Solve for x
x = 264,921,820,896,437,527,904,256/726,986,420,892.96 - Step 6: Final answer
x = 364,410,961,859.55
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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.