Finding the Fourth Proportional to 5,911,694,418.20, 8,158,159,908.78 and 3,198,962,235.92
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Solution
The fourth proportional to 5,911,694,418.20, 8,158,159,908.78 and 3,198,962,235.92 is: 4,414,579,580.17
Step by Step Solution
- Step 1: Write the proportion equation
5,911,694,418.20 : 8,158,159,908.78 = 3,198,962,235.92 : x - Step 2: Convert to fraction form
5,911,694,418.20/8,158,159,908.78 = 3,198,962,235.92/x - Step 3: Cross multiply
5,911,694,418.20x = 8,158,159,908.78 × 3,198,962,235.92 - Step 4: Simplify right side
5,911,694,418.20x = 26,097,645,462,783,770,624 - Step 5: Solve for x
x = 26,097,645,462,783,770,624/5,911,694,418.20 - Step 6: Final answer
x = 4,414,579,580.17
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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.