Finding the Fourth Proportional to 358,848,825.50, 495,211,578.45 and 193,836,396.62
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Solution
The fourth proportional to 358,848,825.50, 495,211,578.45 and 193,836,396.62 is: 267,494,334.97
Step by Step Solution
- Step 1: Write the proportion equation
358,848,825.50 : 495,211,578.45 = 193,836,396.62 : x - Step 2: Convert to fraction form
358,848,825.50/495,211,578.45 = 193,836,396.62/x - Step 3: Cross multiply
358,848,825.50x = 495,211,578.45 × 193,836,396.62 - Step 4: Simplify right side
358,848,825.50x = 95,990,027,931,250,448 - Step 5: Solve for x
x = 95,990,027,931,250,448/358,848,825.50 - Step 6: Final answer
x = 267,494,334.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.