Finding the Fourth Proportional to 1,872,740,370.50, 2,582,311,115.74 and 1,193,481,821.92
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Solution
The fourth proportional to 1,872,740,370.50, 2,582,311,115.74 and 1,193,481,821.92 is: 1,645,685,340.97
Step by Step Solution
- Step 1: Write the proportion equation
1,872,740,370.50 : 2,582,311,115.74 = 1,193,481,821.92 : x - Step 2: Convert to fraction form
1,872,740,370.50/2,582,311,115.74 = 1,193,481,821.92/x - Step 3: Cross multiply
1,872,740,370.50x = 2,582,311,115.74 × 1,193,481,821.92 - Step 4: Simplify right side
1,872,740,370.50x = 3,081,941,375,177,643,008 - Step 5: Solve for x
x = 3,081,941,375,177,643,008/1,872,740,370.50 - Step 6: Final answer
x = 1,645,685,340.97
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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.