Finding the Fourth Proportional to 349,920,201.70, 524,880,302.55 and 329,764,809.70
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Solution
The fourth proportional to 349,920,201.70, 524,880,302.55 and 329,764,809.70 is: 494,647,214.55
Step by Step Solution
- Step 1: Write the proportion equation
349,920,201.70 : 524,880,302.55 = 329,764,809.70 : x - Step 2: Convert to fraction form
349,920,201.70/524,880,302.55 = 329,764,809.70/x - Step 3: Cross multiply
349,920,201.70x = 524,880,302.55 × 329,764,809.70 - Step 4: Simplify right side
349,920,201.70x = 173,087,053,085,679,168 - Step 5: Solve for x
x = 173,087,053,085,679,168/349,920,201.70 - Step 6: Final answer
x = 494,647,214.55
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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.