Finding the Fourth Proportional to 4,741,416,145.80, 7,112,124,218.70 and 4,650,716,881.80
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Solution
The fourth proportional to 4,741,416,145.80, 7,112,124,218.70 and 4,650,716,881.80 is: 6,976,075,322.70
Step by Step Solution
- Step 1: Write the proportion equation
4,741,416,145.80 : 7,112,124,218.70 = 4,650,716,881.80 : x - Step 2: Convert to fraction form
4,741,416,145.80/7,112,124,218.70 = 4,650,716,881.80/x - Step 3: Cross multiply
4,741,416,145.80x = 7,112,124,218.70 × 4,650,716,881.80 - Step 4: Simplify right side
4,741,416,145.80x = 33,076,476,169,366,724,608 - Step 5: Solve for x
x = 33,076,476,169,366,724,608/4,741,416,145.80 - Step 6: Final answer
x = 6,976,075,322.70
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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.