Finding the Fourth Proportional to 1,349,469,998.80, 2,024,204,998.20 and 804,826,517.20
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Solution
The fourth proportional to 1,349,469,998.80, 2,024,204,998.20 and 804,826,517.20 is: 1,207,239,775.80
Step by Step Solution
- Step 1: Write the proportion equation
1,349,469,998.80 : 2,024,204,998.20 = 804,826,517.20 : x - Step 2: Convert to fraction form
1,349,469,998.80/2,024,204,998.20 = 804,826,517.20/x - Step 3: Cross multiply
1,349,469,998.80x = 2,024,204,998.20 × 804,826,517.20 - Step 4: Simplify right side
1,349,469,998.80x = 1,629,133,858,800,138,496 - Step 5: Solve for x
x = 1,629,133,858,800,138,496/1,349,469,998.80 - Step 6: Final answer
x = 1,207,239,775.80
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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.