Finding the Fourth Proportional to 466,284,350.14, 643,240,104.67 and 277,979,958.56
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Solution
The fourth proportional to 466,284,350.14, 643,240,104.67 and 277,979,958.56 is: 383,473,855.78
Step by Step Solution
- Step 1: Write the proportion equation
466,284,350.14 : 643,240,104.67 = 277,979,958.56 : x - Step 2: Convert to fraction form
466,284,350.14/643,240,104.67 = 277,979,958.56/x - Step 3: Cross multiply
466,284,350.14x = 643,240,104.67 × 277,979,958.56 - Step 4: Simplify right side
466,284,350.14x = 178,807,857,639,022,720 - Step 5: Solve for x
x = 178,807,857,639,022,720/466,284,350.14 - Step 6: Final answer
x = 383,473,855.78
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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.