Finding the Fourth Proportional to 442,928,125.20, 664,193,122.20 and 170,208,253.20
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Solution
The fourth proportional to 442,928,125.20, 664,193,122.20 and 170,208,253.20 is: 255,235,882.95
Step by Step Solution
- Step 1: Write the proportion equation
442,928,125.20 : 664,193,122.20 = 170,208,253.20 : x - Step 2: Convert to fraction form
442,928,125.20/664,193,122.20 = 170,208,253.20/x - Step 3: Cross multiply
442,928,125.20x = 664,193,122.20 × 170,208,253.20 - Step 4: Simplify right side
442,928,125.20x = 113,051,151,117,116,144 - Step 5: Solve for x
x = 113,051,151,117,116,144/442,928,125.20 - Step 6: Final answer
x = 255,235,882.95
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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.