Finding the Fourth Proportional to 848,694,650,182.75, 1,171,192,659,229.40 and 463,318,996,018.65
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Solution
The fourth proportional to 848,694,650,182.75, 1,171,192,659,229.40 and 463,318,996,018.65 is: 639,376,961,904.65
Step by Step Solution
- Step 1: Write the proportion equation
848,694,650,182.75 : 1,171,192,659,229.40 = 463,318,996,018.65 : x - Step 2: Convert to fraction form
848,694,650,182.75/1,171,192,659,229.40 = 463,318,996,018.65/x - Step 3: Cross multiply
848,694,650,182.75x = 1,171,192,659,229.40 × 463,318,996,018.65 - Step 4: Simplify right side
848,694,650,182.75x = 542,635,807,018,578,459,230,208 - Step 5: Solve for x
x = 542,635,807,018,578,459,230,208/848,694,650,182.75 - Step 6: Final answer
x = 639,376,961,904.65
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Double scale
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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.