Finding the Fourth Proportional to 252,257,207.10, 378,385,810.65 and 252,257,207.10
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Solution
The fourth proportional to 252,257,207.10, 378,385,810.65 and 252,257,207.10 is: 378,385,810.65
Step by Step Solution
- Step 1: Write the proportion equation
252,257,207.10 : 378,385,810.65 = 252,257,207.10 : x - Step 2: Convert to fraction form
252,257,207.10/378,385,810.65 = 252,257,207.10/x - Step 3: Cross multiply
252,257,207.10x = 378,385,810.65 × 252,257,207.10 - Step 4: Simplify right side
252,257,207.10x = 95,450,547,800,838,432 - Step 5: Solve for x
x = 95,450,547,800,838,432/252,257,207.10 - Step 6: Final answer
x = 378,385,810.65
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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.