Finding the Fourth Proportional to 22,631,962,580.53, 31,230,701,122.94 and 12,470,121,782.70
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Solution
The fourth proportional to 22,631,962,580.53, 31,230,701,122.94 and 12,470,121,782.70 is: 17,207,992,677.45
Step by Step Solution
- Step 1: Write the proportion equation
22,631,962,580.53 : 31,230,701,122.94 = 12,470,121,782.70 : x - Step 2: Convert to fraction form
22,631,962,580.53/31,230,701,122.94 = 12,470,121,782.70/x - Step 3: Cross multiply
22,631,962,580.53x = 31,230,701,122.94 × 12,470,121,782.70 - Step 4: Simplify right side
22,631,962,580.53x = 389,450,646,362,167,443,456 - Step 5: Solve for x
x = 389,450,646,362,167,443,456/22,631,962,580.53 - Step 6: Final answer
x = 17,207,992,677.45
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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.