Finding the Fourth Proportional to 8,231,605,131.97, 11,359,718,395.64 and 4,472,478,476.11
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Solution
The fourth proportional to 8,231,605,131.97, 11,359,718,395.64 and 4,472,478,476.11 is: 6,172,076,430.37
Step by Step Solution
- Step 1: Write the proportion equation
8,231,605,131.97 : 11,359,718,395.64 = 4,472,478,476.11 : x - Step 2: Convert to fraction form
8,231,605,131.97/11,359,718,395.64 = 4,472,478,476.11/x - Step 3: Cross multiply
8,231,605,131.97x = 11,359,718,395.64 × 4,472,478,476.11 - Step 4: Simplify right side
8,231,605,131.97x = 50,806,096,019,151,265,792 - Step 5: Solve for x
x = 50,806,096,019,151,265,792/8,231,605,131.97 - Step 6: Final answer
x = 6,172,076,430.37
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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.