Finding the Fourth Proportional to 1,471,197,279,487.10, 2,207,922,283,767.90 and 665,929,728,901.98
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Solution
The fourth proportional to 1,471,197,279,487.10, 2,207,922,283,767.90 and 665,929,728,901.98 is: 999,404,436,350.50
Step by Step Solution
- Step 1: Write the proportion equation
1,471,197,279,487.10 : 2,207,922,283,767.90 = 665,929,728,901.98 : x - Step 2: Convert to fraction form
1,471,197,279,487.10/2,207,922,283,767.90 = 665,929,728,901.98/x - Step 3: Cross multiply
1,471,197,279,487.10x = 2,207,922,283,767.90 × 665,929,728,901.98 - Step 4: Simplify right side
1,471,197,279,487.10x = 1,470,321,087,866,198,021,898,240 - Step 5: Solve for x
x = 1,470,321,087,866,198,021,898,240/1,471,197,279,487.10 - Step 6: Final answer
x = 999,404,436,350.50
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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.