Finding the Fourth Proportional to 284,350,499.70, 398,628,176.70 and 284,350,499.70
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Solution
The fourth proportional to 284,350,499.70, 398,628,176.70 and 284,350,499.70 is: 398,628,176.70
Step by Step Solution
- Step 1: Write the proportion equation
284,350,499.70 : 398,628,176.70 = 284,350,499.70 : x - Step 2: Convert to fraction form
284,350,499.70/398,628,176.70 = 284,350,499.70/x - Step 3: Cross multiply
284,350,499.70x = 398,628,176.70 × 284,350,499.70 - Step 4: Simplify right side
284,350,499.70x = 113,350,121,239,144,896 - Step 5: Solve for x
x = 113,350,121,239,144,896/284,350,499.70 - Step 6: Final answer
x = 398,628,176.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.