Finding the Fourth Proportional to 211,412,117.70, 317,118,176.55 and 211,412,117.70
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Solution
The fourth proportional to 211,412,117.70, 317,118,176.55 and 211,412,117.70 is: 317,118,176.55
Step by Step Solution
- Step 1: Write the proportion equation
211,412,117.70 : 317,118,176.55 = 211,412,117.70 : x - Step 2: Convert to fraction form
211,412,117.70/317,118,176.55 = 211,412,117.70/x - Step 3: Cross multiply
211,412,117.70x = 317,118,176.55 × 211,412,117.70 - Step 4: Simplify right side
211,412,117.70x = 67,042,625,265,597,976 - Step 5: Solve for x
x = 67,042,625,265,597,976/211,412,117.70 - Step 6: Final answer
x = 317,118,176.55
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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.