Finding the Fourth Proportional to 1,340,229,273.80, 2,010,343,910.70 and 995,855,505.80
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Solution
The fourth proportional to 1,340,229,273.80, 2,010,343,910.70 and 995,855,505.80 is: 1,493,783,258.70
Step by Step Solution
- Step 1: Write the proportion equation
1,340,229,273.80 : 2,010,343,910.70 = 995,855,505.80 : x - Step 2: Convert to fraction form
1,340,229,273.80/2,010,343,910.70 = 995,855,505.80/x - Step 3: Cross multiply
1,340,229,273.80x = 2,010,343,910.70 × 995,855,505.80 - Step 4: Simplify right side
1,340,229,273.80x = 2,002,012,052,022,098,432 - Step 5: Solve for x
x = 2,002,012,052,022,098,432/1,340,229,273.80 - Step 6: Final answer
x = 1,493,783,258.70
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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.