Finding the Fourth Proportional to 1,414,330,284,845, 1,952,138,940,121.30 and 921,163,768,665
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Solution
The fourth proportional to 1,414,330,284,845, 1,952,138,940,121.30 and 921,163,768,665 is: 1,271,442,521,105.96
Step by Step Solution
- Step 1: Write the proportion equation
1,414,330,284,845 : 1,952,138,940,121.30 = 921,163,768,665 : x - Step 2: Convert to fraction form
1,414,330,284,845/1,952,138,940,121.30 = 921,163,768,665/x - Step 3: Cross multiply
1,414,330,284,845x = 1,952,138,940,121.30 × 921,163,768,665 - Step 4: Simplify right side
1,414,330,284,845x = 1,798,239,663,039,835,617,099,776 - Step 5: Solve for x
x = 1,798,239,663,039,835,617,099,776/1,414,330,284,845 - Step 6: Final answer
x = 1,271,442,521,105.96
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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.