Finding the Fourth Proportional to 358,848,632.64, 495,211,312.08 and 193,836,203.04
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Solution
The fourth proportional to 358,848,632.64, 495,211,312.08 and 193,836,203.04 is: 267,494,067.71
Step by Step Solution
- Step 1: Write the proportion equation
358,848,632.64 : 495,211,312.08 = 193,836,203.04 : x - Step 2: Convert to fraction form
358,848,632.64/495,211,312.08 = 193,836,203.04/x - Step 3: Cross multiply
358,848,632.64x = 495,211,312.08 × 193,836,203.04 - Step 4: Simplify right side
358,848,632.64x = 95,989,880,436,043,680 - Step 5: Solve for x
x = 95,989,880,436,043,680/358,848,632.64 - Step 6: Final answer
x = 267,494,067.71
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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.