Finding the Fourth Proportional to 315,543,195.80, 473,314,793.70 and 311,238,523.70
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Solution
The fourth proportional to 315,543,195.80, 473,314,793.70 and 311,238,523.70 is: 466,857,785.55
Step by Step Solution
- Step 1: Write the proportion equation
315,543,195.80 : 473,314,793.70 = 311,238,523.70 : x - Step 2: Convert to fraction form
315,543,195.80/473,314,793.70 = 311,238,523.70/x - Step 3: Cross multiply
315,543,195.80x = 473,314,793.70 × 311,238,523.70 - Step 4: Simplify right side
315,543,195.80x = 147,313,797,636,558,048 - Step 5: Solve for x
x = 147,313,797,636,558,048/315,543,195.80 - Step 6: Final answer
x = 466,857,785.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.