Finding the Fourth Proportional to 382,875,771.20, 574,313,656.80 and 374,372,715.20
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Solution
The fourth proportional to 382,875,771.20, 574,313,656.80 and 374,372,715.20 is: 561,559,072.80
Step by Step Solution
- Step 1: Write the proportion equation
382,875,771.20 : 574,313,656.80 = 374,372,715.20 : x - Step 2: Convert to fraction form
382,875,771.20/574,313,656.80 = 374,372,715.20/x - Step 3: Cross multiply
382,875,771.20x = 574,313,656.80 × 374,372,715.20 - Step 4: Simplify right side
382,875,771.20x = 215,007,363,072,656,928 - Step 5: Solve for x
x = 215,007,363,072,656,928/382,875,771.20 - Step 6: Final answer
x = 561,559,072.80
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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.