Finding the Fourth Proportional to 8,528,470,194.96, 11,772,247,651.56 and 5,861,080,242
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Solution
The fourth proportional to 8,528,470,194.96, 11,772,247,651.56 and 5,861,080,242 is: 8,090,324,118.77
Step by Step Solution
- Step 1: Write the proportion equation
8,528,470,194.96 : 11,772,247,651.56 = 5,861,080,242 : x - Step 2: Convert to fraction form
8,528,470,194.96/11,772,247,651.56 = 5,861,080,242/x - Step 3: Cross multiply
8,528,470,194.96x = 11,772,247,651.56 × 5,861,080,242 - Step 4: Simplify right side
8,528,470,194.96x = 68,998,088,114,489,212,928 - Step 5: Solve for x
x = 68,998,088,114,489,212,928/8,528,470,194.96 - Step 6: Final answer
x = 8,090,324,118.77
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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.