Finding the Fourth Proportional to 358,747,033.70, 495,070,901.97 and 193,734,588.62
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Solution
The fourth proportional to 358,747,033.70, 495,070,901.97 and 193,734,588.62 is: 267,353,729.85
Step by Step Solution
- Step 1: Write the proportion equation
358,747,033.70 : 495,070,901.97 = 193,734,588.62 : x - Step 2: Convert to fraction form
358,747,033.70/495,070,901.97 = 193,734,588.62/x - Step 3: Cross multiply
358,747,033.70x = 495,070,901.97 × 193,734,588.62 - Step 4: Simplify right side
358,747,033.70x = 95,912,357,530,890,304 - Step 5: Solve for x
x = 95,912,357,530,890,304/358,747,033.70 - Step 6: Final answer
x = 267,353,729.85
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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.