Finding the Fourth Proportional to 422,094,918.87, 582,490,546.26 and 236,457,241.29
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Solution
The fourth proportional to 422,094,918.87, 582,490,546.26 and 236,457,241.29 is: 326,310,745.50
Step by Step Solution
- Step 1: Write the proportion equation
422,094,918.87 : 582,490,546.26 = 236,457,241.29 : x - Step 2: Convert to fraction form
422,094,918.87/582,490,546.26 = 236,457,241.29/x - Step 3: Cross multiply
422,094,918.87x = 582,490,546.26 × 236,457,241.29 - Step 4: Simplify right side
422,094,918.87x = 137,734,107,646,144,720 - Step 5: Solve for x
x = 137,734,107,646,144,720/422,094,918.87 - Step 6: Final answer
x = 326,310,745.50
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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.