Finding the Fourth Proportional to 358,836,942.48, 495,195,170.40 and 193,824,511.68
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Solution
The fourth proportional to 358,836,942.48, 495,195,170.40 and 193,824,511.68 is: 267,477,928.63
Step by Step Solution
- Step 1: Write the proportion equation
358,836,942.48 : 495,195,170.40 = 193,824,511.68 : x - Step 2: Convert to fraction form
358,836,942.48/495,195,170.40 = 193,824,511.68/x - Step 3: Cross multiply
358,836,942.48x = 495,195,170.40 × 193,824,511.68 - Step 4: Simplify right side
358,836,942.48x = 95,980,962,089,074,384 - Step 5: Solve for x
x = 95,980,962,089,074,384/358,836,942.48 - Step 6: Final answer
x = 267,477,928.63
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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.