Finding the Fourth Proportional to 1,694,081,320.36, 2,337,902,507.10 and 941,391,685.30
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Solution
The fourth proportional to 1,694,081,320.36, 2,337,902,507.10 and 941,391,685.30 is: 1,299,159,582.70
Step by Step Solution
- Step 1: Write the proportion equation
1,694,081,320.36 : 2,337,902,507.10 = 941,391,685.30 : x - Step 2: Convert to fraction form
1,694,081,320.36/2,337,902,507.10 = 941,391,685.30/x - Step 3: Cross multiply
1,694,081,320.36x = 2,337,902,507.10 × 941,391,685.30 - Step 4: Simplify right side
1,694,081,320.36x = 2,200,881,981,225,964,032 - Step 5: Solve for x
x = 2,200,881,981,225,964,032/1,694,081,320.36 - Step 6: Final answer
x = 1,299,159,582.70
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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.