Finding the Fourth Proportional to 22,631,962,548.28, 31,230,701,078.49 and 12,470,121,750.48
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Solution
The fourth proportional to 22,631,962,548.28, 31,230,701,078.49 and 12,470,121,750.48 is: 17,207,992,633.02
Step by Step Solution
- Step 1: Write the proportion equation
22,631,962,548.28 : 31,230,701,078.49 = 12,470,121,750.48 : x - Step 2: Convert to fraction form
22,631,962,548.28/31,230,701,078.49 = 12,470,121,750.48/x - Step 3: Cross multiply
22,631,962,548.28x = 31,230,701,078.49 × 12,470,121,750.48 - Step 4: Simplify right side
22,631,962,548.28x = 389,450,644,801,505,001,472 - Step 5: Solve for x
x = 389,450,644,801,505,001,472/22,631,962,548.28 - Step 6: Final answer
x = 17,207,992,633.02
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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.