Finding the Fourth Proportional to 358,848,859.50, 495,211,625.37 and 193,836,430.62
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Solution
The fourth proportional to 358,848,859.50, 495,211,625.37 and 193,836,430.62 is: 267,494,381.89
Step by Step Solution
- Step 1: Write the proportion equation
358,848,859.50 : 495,211,625.37 = 193,836,430.62 : x - Step 2: Convert to fraction form
358,848,859.50/495,211,625.37 = 193,836,430.62/x - Step 3: Cross multiply
358,848,859.50x = 495,211,625.37 × 193,836,430.62 - Step 4: Simplify right side
358,848,859.50x = 95,990,053,863,249,440 - Step 5: Solve for x
x = 95,990,053,863,249,440/358,848,859.50 - Step 6: Final answer
x = 267,494,381.89
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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.