Finding the Fourth Proportional to 325,915,198.36, 450,947,324.04 and 284,186,278.84
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Solution
The fourth proportional to 325,915,198.36, 450,947,324.04 and 284,186,278.84 is: 393,209,775.48
Step by Step Solution
- Step 1: Write the proportion equation
325,915,198.36 : 450,947,324.04 = 284,186,278.84 : x - Step 2: Convert to fraction form
325,915,198.36/450,947,324.04 = 284,186,278.84/x - Step 3: Cross multiply
325,915,198.36x = 450,947,324.04 × 284,186,278.84 - Step 4: Simplify right side
325,915,198.36x = 128,153,041,971,783,264 - Step 5: Solve for x
x = 128,153,041,971,783,264/325,915,198.36 - Step 6: Final answer
x = 393,209,775.48
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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.