Finding the Fourth Proportional to 325,915,222.13, 450,947,356.88 and 284,186,302.68
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Solution
The fourth proportional to 325,915,222.13, 450,947,356.88 and 284,186,302.68 is: 393,209,808.42
Step by Step Solution
- Step 1: Write the proportion equation
325,915,222.13 : 450,947,356.88 = 284,186,302.68 : x - Step 2: Convert to fraction form
325,915,222.13/450,947,356.88 = 284,186,302.68/x - Step 3: Cross multiply
325,915,222.13x = 450,947,356.88 × 284,186,302.68 - Step 4: Simplify right side
325,915,222.13x = 128,153,062,053,624,736 - Step 5: Solve for x
x = 128,153,062,053,624,736/325,915,222.13 - Step 6: Final answer
x = 393,209,808.42
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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.