Finding the Fourth Proportional to 775,861,570.70, 1,163,792,356.05 and 775,861,570.70
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Solution
The fourth proportional to 775,861,570.70, 1,163,792,356.05 and 775,861,570.70 is: 1,163,792,356.05
Step by Step Solution
- Step 1: Write the proportion equation
775,861,570.70 : 1,163,792,356.05 = 775,861,570.70 : x - Step 2: Convert to fraction form
775,861,570.70/1,163,792,356.05 = 775,861,570.70/x - Step 3: Cross multiply
775,861,570.70x = 1,163,792,356.05 × 775,861,570.70 - Step 4: Simplify right side
775,861,570.70x = 902,941,765,333,606,656 - Step 5: Solve for x
x = 902,941,765,333,606,656/775,861,570.70 - Step 6: Final answer
x = 1,163,792,356.05
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.