Finding the Fourth Proportional to 4,480,857,787.20, 6,721,286,680.80 and 2,414,615,179.20
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Solution
The fourth proportional to 4,480,857,787.20, 6,721,286,680.80 and 2,414,615,179.20 is: 3,621,922,768.80
Step by Step Solution
- Step 1: Write the proportion equation
4,480,857,787.20 : 6,721,286,680.80 = 2,414,615,179.20 : x - Step 2: Convert to fraction form
4,480,857,787.20/6,721,286,680.80 = 2,414,615,179.20/x - Step 3: Cross multiply
4,480,857,787.20x = 6,721,286,680.80 × 2,414,615,179.20 - Step 4: Simplify right side
4,480,857,787.20x = 16,229,320,843,214,465,024 - Step 5: Solve for x
x = 16,229,320,843,214,465,024/4,480,857,787.20 - Step 6: Final answer
x = 3,621,922,768.80
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1.5x scale
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.