Finding the Fourth Proportional to 358,836,711.19, 495,194,860.09 and 193,824,280.69
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Solution
The fourth proportional to 358,836,711.19, 495,194,860.09 and 193,824,280.69 is: 267,477,614.65
Step by Step Solution
- Step 1: Write the proportion equation
358,836,711.19 : 495,194,860.09 = 193,824,280.69 : x - Step 2: Convert to fraction form
358,836,711.19/495,194,860.09 = 193,824,280.69/x - Step 3: Cross multiply
358,836,711.19x = 495,194,860.09 × 193,824,280.69 - Step 4: Simplify right side
358,836,711.19x = 95,980,787,557,339,536 - Step 5: Solve for x
x = 95,980,787,557,339,536/358,836,711.19 - Step 6: Final answer
x = 267,477,614.65
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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.