Finding the Fourth Proportional to 325,652,563.20, 457,122,912 and 325,652,563.20
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Solution
The fourth proportional to 325,652,563.20, 457,122,912 and 325,652,563.20 is: 457,122,912
Step by Step Solution
- Step 1: Write the proportion equation
325,652,563.20 : 457,122,912 = 325,652,563.20 : x - Step 2: Convert to fraction form
325,652,563.20/457,122,912 = 325,652,563.20/x - Step 3: Cross multiply
325,652,563.20x = 457,122,912 × 325,652,563.20 - Step 4: Simplify right side
325,652,563.20x = 148,863,247,990,248,032 - Step 5: Solve for x
x = 148,863,247,990,248,032/325,652,563.20 - Step 6: Final answer
x = 457,122,912
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.