Finding the Fourth Proportional to 8,144,914,987.80, 12,217,372,481.70 and 3,237,588,793.80
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Solution
The fourth proportional to 8,144,914,987.80, 12,217,372,481.70 and 3,237,588,793.80 is: 4,856,383,190.70
Step by Step Solution
- Step 1: Write the proportion equation
8,144,914,987.80 : 12,217,372,481.70 = 3,237,588,793.80 : x - Step 2: Convert to fraction form
8,144,914,987.80/12,217,372,481.70 = 3,237,588,793.80/x - Step 3: Cross multiply
8,144,914,987.80x = 12,217,372,481.70 × 3,237,588,793.80 - Step 4: Simplify right side
8,144,914,987.80x = 39,554,828,236,432,416,768 - Step 5: Solve for x
x = 39,554,828,236,432,416,768/8,144,914,987.80 - Step 6: Final answer
x = 4,856,383,190.70
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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.