Finding the Fourth Proportional to 2,198,029,919.60, 3,297,044,879.40 and 2,182,724,418.80
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Solution
The fourth proportional to 2,198,029,919.60, 3,297,044,879.40 and 2,182,724,418.80 is: 3,274,086,628.20
Step by Step Solution
- Step 1: Write the proportion equation
2,198,029,919.60 : 3,297,044,879.40 = 2,182,724,418.80 : x - Step 2: Convert to fraction form
2,198,029,919.60/3,297,044,879.40 = 2,182,724,418.80/x - Step 3: Cross multiply
2,198,029,919.60x = 3,297,044,879.40 × 2,182,724,418.80 - Step 4: Simplify right side
2,198,029,919.60x = 7,196,540,368,145,882,112 - Step 5: Solve for x
x = 7,196,540,368,145,882,112/2,198,029,919.60 - Step 6: Final answer
x = 3,274,086,628.20
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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.