Finding the Fourth Proportional to 2,443,694,896.82, 3,372,410,005.92 and 1,440,154,818.74
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Solution
The fourth proportional to 2,443,694,896.82, 3,372,410,005.92 and 1,440,154,818.74 is: 1,987,479,094.51
Step by Step Solution
- Step 1: Write the proportion equation
2,443,694,896.82 : 3,372,410,005.92 = 1,440,154,818.74 : x - Step 2: Convert to fraction form
2,443,694,896.82/3,372,410,005.92 = 1,440,154,818.74/x - Step 3: Cross multiply
2,443,694,896.82x = 3,372,410,005.92 × 1,440,154,818.74 - Step 4: Simplify right side
2,443,694,896.82x = 4,856,792,520,792,680,448 - Step 5: Solve for x
x = 4,856,792,520,792,680,448/2,443,694,896.82 - Step 6: Final answer
x = 1,987,479,094.51
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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.