Finding the Fourth Proportional to 848,719,676.92, 1,171,259,194.44 and 472,397,170.99
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Solution
The fourth proportional to 848,719,676.92, 1,171,259,194.44 and 472,397,170.99 is: 651,922,589.99
Step by Step Solution
- Step 1: Write the proportion equation
848,719,676.92 : 1,171,259,194.44 = 472,397,170.99 : x - Step 2: Convert to fraction form
848,719,676.92/1,171,259,194.44 = 472,397,170.99/x - Step 3: Cross multiply
848,719,676.92x = 1,171,259,194.44 × 472,397,170.99 - Step 4: Simplify right side
848,719,676.92x = 553,299,529,949,482,368 - Step 5: Solve for x
x = 553,299,529,949,482,368/848,719,676.92 - Step 6: Final answer
x = 651,922,589.99
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Double scale
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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.