Finding the Fourth Proportional to 488,788,382.66, 733,508,576.99 and 177,895,912.07
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Solution
The fourth proportional to 488,788,382.66, 733,508,576.99 and 177,895,912.07 is: 266,962,517.81
Step by Step Solution
- Step 1: Write the proportion equation
488,788,382.66 : 733,508,576.99 = 177,895,912.07 : x - Step 2: Convert to fraction form
488,788,382.66/733,508,576.99 = 177,895,912.07/x - Step 3: Cross multiply
488,788,382.66x = 733,508,576.99 × 177,895,912.07 - Step 4: Simplify right side
488,788,382.66x = 130,488,177,311,139,520 - Step 5: Solve for x
x = 130,488,177,311,139,520/488,788,382.66 - Step 6: Final answer
x = 266,962,517.81
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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.