Finding the Fourth Proportional to 301,813,310.40, 452,719,965.60 and 185,587,163.70
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Solution
The fourth proportional to 301,813,310.40, 452,719,965.60 and 185,587,163.70 is: 278,380,745.55
Step by Step Solution
- Step 1: Write the proportion equation
301,813,310.40 : 452,719,965.60 = 185,587,163.70 : x - Step 2: Convert to fraction form
301,813,310.40/452,719,965.60 = 185,587,163.70/x - Step 3: Cross multiply
301,813,310.40x = 452,719,965.60 × 185,587,163.70 - Step 4: Simplify right side
301,813,310.40x = 84,019,014,366,065,568 - Step 5: Solve for x
x = 84,019,014,366,065,568/301,813,310.40 - Step 6: Final answer
x = 278,380,745.55
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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.