Finding the Fourth Proportional to 1,471,197,279,527.70, 2,207,922,283,829.10 and 665,929,728,942.65
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Solution
The fourth proportional to 1,471,197,279,527.70, 2,207,922,283,829.10 and 665,929,728,942.65 is: 999,404,436,411.66
Step by Step Solution
- Step 1: Write the proportion equation
1,471,197,279,527.70 : 2,207,922,283,829.10 = 665,929,728,942.65 : x - Step 2: Convert to fraction form
1,471,197,279,527.70/2,207,922,283,829.10 = 665,929,728,942.65/x - Step 3: Cross multiply
1,471,197,279,527.70x = 2,207,922,283,829.10 × 665,929,728,942.65 - Step 4: Simplify right side
1,471,197,279,527.70x = 1,470,321,087,996,749,458,440,192 - Step 5: Solve for x
x = 1,470,321,087,996,749,458,440,192/1,471,197,279,527.70 - Step 6: Final answer
x = 999,404,436,411.66
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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.