Finding the Fourth Proportional to 1,349,469,821.80, 2,024,204,732.70 and 804,826,340.20
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Solution
The fourth proportional to 1,349,469,821.80, 2,024,204,732.70 and 804,826,340.20 is: 1,207,239,510.30
Step by Step Solution
- Step 1: Write the proportion equation
1,349,469,821.80 : 2,024,204,732.70 = 804,826,340.20 : x - Step 2: Convert to fraction form
1,349,469,821.80/2,024,204,732.70 = 804,826,340.20/x - Step 3: Cross multiply
1,349,469,821.80x = 2,024,204,732.70 × 804,826,340.20 - Step 4: Simplify right side
1,349,469,821.80x = 1,629,133,286,834,460,416 - Step 5: Solve for x
x = 1,629,133,286,834,460,416/1,349,469,821.80 - Step 6: Final answer
x = 1,207,239,510.30
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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.