Finding the Fourth Proportional to 284,004,006.80, 426,048,583.80 and 120,241,446.80
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Solution
The fourth proportional to 284,004,006.80, 426,048,583.80 and 120,241,446.80 is: 180,380,194.99
Step by Step Solution
- Step 1: Write the proportion equation
284,004,006.80 : 426,048,583.80 = 120,241,446.80 : x - Step 2: Convert to fraction form
284,004,006.80/426,048,583.80 = 120,241,446.80/x - Step 3: Cross multiply
284,004,006.80x = 426,048,583.80 × 120,241,446.80 - Step 4: Simplify right side
284,004,006.80x = 51,228,698,123,203,040 - Step 5: Solve for x
x = 51,228,698,123,203,040/284,004,006.80 - Step 6: Final answer
x = 180,380,194.99
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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.