Finding the Fourth Proportional to 3,982,984,682.40, 5,974,477,023.60 and 2,146,324,586.40
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Solution
The fourth proportional to 3,982,984,682.40, 5,974,477,023.60 and 2,146,324,586.40 is: 3,219,486,879.60
Step by Step Solution
- Step 1: Write the proportion equation
3,982,984,682.40 : 5,974,477,023.60 = 2,146,324,586.40 : x - Step 2: Convert to fraction form
3,982,984,682.40/5,974,477,023.60 = 2,146,324,586.40/x - Step 3: Cross multiply
3,982,984,682.40x = 5,974,477,023.60 × 2,146,324,586.40 - Step 4: Simplify right side
3,982,984,682.40x = 12,823,166,926,634,573,824 - Step 5: Solve for x
x = 12,823,166,926,634,573,824/3,982,984,682.40 - Step 6: Final answer
x = 3,219,486,879.60
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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.