Finding the Fourth Proportional to 4,232,453,629.60, 6,344,486,919.05 and 1,987,482,226.33
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Solution
The fourth proportional to 4,232,453,629.60, 6,344,486,919.05 and 1,987,482,226.33 is: 2,979,254,137.27
Step by Step Solution
- Step 1: Write the proportion equation
4,232,453,629.60 : 6,344,486,919.05 = 1,987,482,226.33 : x - Step 2: Convert to fraction form
4,232,453,629.60/6,344,486,919.05 = 1,987,482,226.33/x - Step 3: Cross multiply
4,232,453,629.60x = 6,344,486,919.05 × 1,987,482,226.33 - Step 4: Simplify right side
4,232,453,629.60x = 12,609,554,986,771,591,168 - Step 5: Solve for x
x = 12,609,554,986,771,591,168/4,232,453,629.60 - Step 6: Final answer
x = 2,979,254,137.27
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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.