Finding the Fourth Proportional to 284,351,486.67, 392,405,583.38 and 158,903,682.80
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Solution
The fourth proportional to 284,351,486.67, 392,405,583.38 and 158,903,682.80 is: 219,287,379.43
Step by Step Solution
- Step 1: Write the proportion equation
284,351,486.67 : 392,405,583.38 = 158,903,682.80 : x - Step 2: Convert to fraction form
284,351,486.67/392,405,583.38 = 158,903,682.80/x - Step 3: Cross multiply
284,351,486.67x = 392,405,583.38 × 158,903,682.80 - Step 4: Simplify right side
284,351,486.67x = 62,354,692,347,607,920 - Step 5: Solve for x
x = 62,354,692,347,607,920/284,351,486.67 - Step 6: Final answer
x = 219,287,379.43
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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.