Finding the Fourth Proportional to 3,712,644,756,516.80, 5,568,965,824,028.80 and 992,887,493,863.91
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Solution
The fourth proportional to 3,712,644,756,516.80, 5,568,965,824,028.80 and 992,887,493,863.91 is: 1,489,330,890,257.69
Step by Step Solution
- Step 1: Write the proportion equation
3,712,644,756,516.80 : 5,568,965,824,028.80 = 992,887,493,863.91 : x - Step 2: Convert to fraction form
3,712,644,756,516.80/5,568,965,824,028.80 = 992,887,493,863.91/x - Step 3: Cross multiply
3,712,644,756,516.80x = 5,568,965,824,028.80 × 992,887,493,863.91 - Step 4: Simplify right side
3,712,644,756,516.80x = 5,529,356,520,433,720,160,681,984 - Step 5: Solve for x
x = 5,529,356,520,433,720,160,681,984/3,712,644,756,516.80 - Step 6: Final answer
x = 1,489,330,890,257.69
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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.