Finding the Fourth Proportional to 591,582,430.80, 816,407,792.36 and 327,259,866.67
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Solution
The fourth proportional to 591,582,430.80, 816,407,792.36 and 327,259,866.67 is: 451,631,913.60
Step by Step Solution
- Step 1: Write the proportion equation
591,582,430.80 : 816,407,792.36 = 327,259,866.67 : x - Step 2: Convert to fraction form
591,582,430.80/816,407,792.36 = 327,259,866.67/x - Step 3: Cross multiply
591,582,430.80x = 816,407,792.36 × 327,259,866.67 - Step 4: Simplify right side
591,582,430.80x = 267,177,505,273,227,840 - Step 5: Solve for x
x = 267,177,505,273,227,840/591,582,430.80 - Step 6: Final answer
x = 451,631,913.60
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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.