Finding the Fourth Proportional to 284,351,486.42, 392,405,583.04 and 158,903,682.54
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Solution
The fourth proportional to 284,351,486.42, 392,405,583.04 and 158,903,682.54 is: 219,287,379.08
Step by Step Solution
- Step 1: Write the proportion equation
284,351,486.42 : 392,405,583.04 = 158,903,682.54 : x - Step 2: Convert to fraction form
284,351,486.42/392,405,583.04 = 158,903,682.54/x - Step 3: Cross multiply
284,351,486.42x = 392,405,583.04 × 158,903,682.54 - Step 4: Simplify right side
284,351,486.42x = 62,354,692,194,311,768 - Step 5: Solve for x
x = 62,354,692,194,311,768/284,351,486.42 - Step 6: Final answer
x = 219,287,379.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.