Finding the Fourth Proportional to 264,220,207.10, 396,330,310.65 and 264,220,207.10
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Solution
The fourth proportional to 264,220,207.10, 396,330,310.65 and 264,220,207.10 is: 396,330,310.65
Step by Step Solution
- Step 1: Write the proportion equation
264,220,207.10 : 396,330,310.65 = 264,220,207.10 : x - Step 2: Convert to fraction form
264,220,207.10/396,330,310.65 = 264,220,207.10/x - Step 3: Cross multiply
264,220,207.10x = 396,330,310.65 × 264,220,207.10 - Step 4: Simplify right side
264,220,207.10x = 104,718,476,759,950,320 - Step 5: Solve for x
x = 104,718,476,759,950,320/264,220,207.10 - Step 6: Final answer
x = 396,330,310.65
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1.5x scale
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.