Finding the Fourth Proportional to 3,282,373,266.40, 4,923,559,899.60 and 984,658,578.40
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Solution
The fourth proportional to 3,282,373,266.40, 4,923,559,899.60 and 984,658,578.40 is: 1,476,987,867.60
Step by Step Solution
- Step 1: Write the proportion equation
3,282,373,266.40 : 4,923,559,899.60 = 984,658,578.40 : x - Step 2: Convert to fraction form
3,282,373,266.40/4,923,559,899.60 = 984,658,578.40/x - Step 3: Cross multiply
3,282,373,266.40x = 4,923,559,899.60 × 984,658,578.40 - Step 4: Simplify right side
3,282,373,266.40x = 4,848,025,491,407,382,528 - Step 5: Solve for x
x = 4,848,025,491,407,382,528/3,282,373,266.40 - Step 6: Final answer
x = 1,476,987,867.60
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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.