Finding the Fourth Proportional to 8,144,914,987.30, 12,217,372,480.95 and 3,237,588,793.30
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Solution
The fourth proportional to 8,144,914,987.30, 12,217,372,480.95 and 3,237,588,793.30 is: 4,856,383,189.95
Step by Step Solution
- Step 1: Write the proportion equation
8,144,914,987.30 : 12,217,372,480.95 = 3,237,588,793.30 : x - Step 2: Convert to fraction form
8,144,914,987.30/12,217,372,480.95 = 3,237,588,793.30/x - Step 3: Cross multiply
8,144,914,987.30x = 12,217,372,480.95 × 3,237,588,793.30 - Step 4: Simplify right side
8,144,914,987.30x = 39,554,828,227,895,541,760 - Step 5: Solve for x
x = 39,554,828,227,895,541,760/8,144,914,987.30 - Step 6: Final answer
x = 4,856,383,189.95
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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.