Finding the Fourth Proportional to 8,480,126,711.70, 12,720,190,067.55 and 8,480,126,711.70
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Solution
The fourth proportional to 8,480,126,711.70, 12,720,190,067.55 and 8,480,126,711.70 is: 12,720,190,067.55
Step by Step Solution
- Step 1: Write the proportion equation
8,480,126,711.70 : 12,720,190,067.55 = 8,480,126,711.70 : x - Step 2: Convert to fraction form
8,480,126,711.70/12,720,190,067.55 = 8,480,126,711.70/x - Step 3: Cross multiply
8,480,126,711.70x = 12,720,190,067.55 × 8,480,126,711.70 - Step 4: Simplify right side
8,480,126,711.70x = 107,868,823,569,731,780,608 - Step 5: Solve for x
x = 107,868,823,569,731,780,608/8,480,126,711.70 - Step 6: Final answer
x = 12,720,190,067.55
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Similar ratio
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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.