Finding the Fourth Proportional to 415,248,563.20, 622,872,844.80 and 415,248,563.20
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Solution
The fourth proportional to 415,248,563.20, 622,872,844.80 and 415,248,563.20 is: 622,872,844.80
Step by Step Solution
- Step 1: Write the proportion equation
415,248,563.20 : 622,872,844.80 = 415,248,563.20 : x - Step 2: Convert to fraction form
415,248,563.20/622,872,844.80 = 415,248,563.20/x - Step 3: Cross multiply
415,248,563.20x = 622,872,844.80 × 415,248,563.20 - Step 4: Simplify right side
415,248,563.20x = 258,647,053,859,496,576 - Step 5: Solve for x
x = 258,647,053,859,496,576/415,248,563.20 - Step 6: Final answer
x = 622,872,844.80
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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.