Finding the Fourth Proportional to 436,965,497.70, 655,448,246.55 and 178,039,569.30
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Solution
The fourth proportional to 436,965,497.70, 655,448,246.55 and 178,039,569.30 is: 267,059,353.95
Step by Step Solution
- Step 1: Write the proportion equation
436,965,497.70 : 655,448,246.55 = 178,039,569.30 : x - Step 2: Convert to fraction form
436,965,497.70/655,448,246.55 = 178,039,569.30/x - Step 3: Cross multiply
436,965,497.70x = 655,448,246.55 × 178,039,569.30 - Step 4: Simplify right side
436,965,497.70x = 116,695,723,514,202,208 - Step 5: Solve for x
x = 116,695,723,514,202,208/436,965,497.70 - Step 6: Final answer
x = 267,059,353.95
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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.