Finding the Fourth Proportional to 323,524,512, 485,286,768 and 108,113,760
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Solution
The fourth proportional to 323,524,512, 485,286,768 and 108,113,760 is: 162,170,640
Step by Step Solution
- Step 1: Write the proportion equation
323,524,512 : 485,286,768 = 108,113,760 : x - Step 2: Convert to fraction form
323,524,512/485,286,768 = 108,113,760/x - Step 3: Cross multiply
323,524,512x = 485,286,768 × 108,113,760 - Step 4: Simplify right side
323,524,512x = 52,466,177,166,727,680 - Step 5: Solve for x
x = 52,466,177,166,727,680/323,524,512 - Step 6: Final answer
x = 162,170,640
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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.