Finding the Fourth Proportional to 4,042,548,464.70, 6,063,822,697.05 and 3,988,128,906.30
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Solution
The fourth proportional to 4,042,548,464.70, 6,063,822,697.05 and 3,988,128,906.30 is: 5,982,193,359.45
Step by Step Solution
- Step 1: Write the proportion equation
4,042,548,464.70 : 6,063,822,697.05 = 3,988,128,906.30 : x - Step 2: Convert to fraction form
4,042,548,464.70/6,063,822,697.05 = 3,988,128,906.30/x - Step 3: Cross multiply
4,042,548,464.70x = 6,063,822,697.05 × 3,988,128,906.30 - Step 4: Simplify right side
4,042,548,464.70x = 24,183,306,580,783,132,672 - Step 5: Solve for x
x = 24,183,306,580,783,132,672/4,042,548,464.70 - Step 6: Final answer
x = 5,982,193,359.45
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Double scale
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Similar ratio
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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.