Finding the Fourth Proportional to 5,902,369,434.38, 8,855,107,028.19 and 2,121,143,780.49
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Solution
The fourth proportional to 5,902,369,434.38, 8,855,107,028.19 and 2,121,143,780.49 is: 3,182,273,730.44
Step by Step Solution
- Step 1: Write the proportion equation
5,902,369,434.38 : 8,855,107,028.19 = 2,121,143,780.49 : x - Step 2: Convert to fraction form
5,902,369,434.38/8,855,107,028.19 = 2,121,143,780.49/x - Step 3: Cross multiply
5,902,369,434.38x = 8,855,107,028.19 × 2,121,143,780.49 - Step 4: Simplify right side
5,902,369,434.38x = 18,782,955,198,384,857,088 - Step 5: Solve for x
x = 18,782,955,198,384,857,088/5,902,369,434.38 - Step 6: Final answer
x = 3,182,273,730.44
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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.