Finding the Fourth Proportional to 361,245,424.60, 498,532,389.71 and 202,478,481.99
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Solution
The fourth proportional to 361,245,424.60, 498,532,389.71 and 202,478,481.99 is: 279,427,986.12
Step by Step Solution
- Step 1: Write the proportion equation
361,245,424.60 : 498,532,389.71 = 202,478,481.99 : x - Step 2: Convert to fraction form
361,245,424.60/498,532,389.71 = 202,478,481.99/x - Step 3: Cross multiply
361,245,424.60x = 498,532,389.71 × 202,478,481.99 - Step 4: Simplify right side
361,245,424.60x = 100,942,081,490,315,504 - Step 5: Solve for x
x = 100,942,081,490,315,504/361,245,424.60 - Step 6: Final answer
x = 279,427,986.12
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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.