Finding the Fourth Proportional to 349,920,207.20, 524,880,310.80 and 329,764,815.20
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Solution
The fourth proportional to 349,920,207.20, 524,880,310.80 and 329,764,815.20 is: 494,647,222.80
Step by Step Solution
- Step 1: Write the proportion equation
349,920,207.20 : 524,880,310.80 = 329,764,815.20 : x - Step 2: Convert to fraction form
349,920,207.20/524,880,310.80 = 329,764,815.20/x - Step 3: Cross multiply
349,920,207.20x = 524,880,310.80 × 329,764,815.20 - Step 4: Simplify right side
349,920,207.20x = 173,087,058,693,080,576 - Step 5: Solve for x
x = 173,087,058,693,080,576/349,920,207.20 - Step 6: Final answer
x = 494,647,222.80
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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.