Finding the Fourth Proportional to 543,828,311.52, 816,119,205.84 and 216,270,255.84
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Solution
The fourth proportional to 543,828,311.52, 816,119,205.84 and 216,270,255.84 is: 324,555,205.58
Step by Step Solution
- Step 1: Write the proportion equation
543,828,311.52 : 816,119,205.84 = 216,270,255.84 : x - Step 2: Convert to fraction form
543,828,311.52/816,119,205.84 = 216,270,255.84/x - Step 3: Cross multiply
543,828,311.52x = 816,119,205.84 × 216,270,255.84 - Step 4: Simplify right side
543,828,311.52x = 176,502,309,442,954,432 - Step 5: Solve for x
x = 176,502,309,442,954,432/543,828,311.52 - Step 6: Final answer
x = 324,555,205.58
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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.