Finding the Fourth Proportional to 6,988,496,713.74, 9,644,363,451.17 and 4,133,086,640.91
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Solution
The fourth proportional to 6,988,496,713.74, 9,644,363,451.17 and 4,133,086,640.91 is: 5,703,800,312.55
Step by Step Solution
- Step 1: Write the proportion equation
6,988,496,713.74 : 9,644,363,451.17 = 4,133,086,640.91 : x - Step 2: Convert to fraction form
6,988,496,713.74/9,644,363,451.17 = 4,133,086,640.91/x - Step 3: Cross multiply
6,988,496,713.74x = 9,644,363,451.17 × 4,133,086,640.91 - Step 4: Simplify right side
6,988,496,713.74x = 39,860,989,740,090,728,448 - Step 5: Solve for x
x = 39,860,989,740,090,728,448/6,988,496,713.74 - Step 6: Final answer
x = 5,703,800,312.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.