Finding the Fourth Proportional to 252,283,318.20, 378,424,977.30 and 248,882,095.80
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Solution
The fourth proportional to 252,283,318.20, 378,424,977.30 and 248,882,095.80 is: 373,323,143.70
Step by Step Solution
- Step 1: Write the proportion equation
252,283,318.20 : 378,424,977.30 = 248,882,095.80 : x - Step 2: Convert to fraction form
252,283,318.20/378,424,977.30 = 248,882,095.80/x - Step 3: Cross multiply
252,283,318.20x = 378,424,977.30 × 248,882,095.80 - Step 4: Simplify right side
252,283,318.20x = 94,183,201,453,491,440 - Step 5: Solve for x
x = 94,183,201,453,491,440/252,283,318.20 - Step 6: Final answer
x = 373,323,143.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.