Finding the Fourth Proportional to 3,052,201,431.70, 4,578,302,147.55 and 754,486,743.70
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Solution
The fourth proportional to 3,052,201,431.70, 4,578,302,147.55 and 754,486,743.70 is: 1,131,730,115.55
Step by Step Solution
- Step 1: Write the proportion equation
3,052,201,431.70 : 4,578,302,147.55 = 754,486,743.70 : x - Step 2: Convert to fraction form
3,052,201,431.70/4,578,302,147.55 = 754,486,743.70/x - Step 3: Cross multiply
3,052,201,431.70x = 4,578,302,147.55 × 754,486,743.70 - Step 4: Simplify right side
3,052,201,431.70x = 3,454,268,278,979,716,608 - Step 5: Solve for x
x = 3,454,268,278,979,716,608/3,052,201,431.70 - Step 6: Final answer
x = 1,131,730,115.55
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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.