Finding the Fourth Proportional to 201,014,640.20, 280,846,540 and 201,014,640.20
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Solution
The fourth proportional to 201,014,640.20, 280,846,540 and 201,014,640.20 is: 280,846,540
Step by Step Solution
- Step 1: Write the proportion equation
201,014,640.20 : 280,846,540 = 201,014,640.20 : x - Step 2: Convert to fraction form
201,014,640.20/280,846,540 = 201,014,640.20/x - Step 3: Cross multiply
201,014,640.20x = 280,846,540 × 201,014,640.20 - Step 4: Simplify right side
201,014,640.20x = 56,454,266,189,514,904 - Step 5: Solve for x
x = 56,454,266,189,514,904/201,014,640.20 - Step 6: Final answer
x = 280,846,540
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1.5x scale
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.