Finding the Fourth Proportional to 7,461,335,524.40, 11,199,169,648.20 and 3,784,992,023.60
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Solution
The fourth proportional to 7,461,335,524.40, 11,199,169,648.20 and 3,784,992,023.60 is: 5,681,123,392.82
Step by Step Solution
- Step 1: Write the proportion equation
7,461,335,524.40 : 11,199,169,648.20 = 3,784,992,023.60 : x - Step 2: Convert to fraction form
7,461,335,524.40/11,199,169,648.20 = 3,784,992,023.60/x - Step 3: Cross multiply
7,461,335,524.40x = 11,199,169,648.20 × 3,784,992,023.60 - Step 4: Simplify right side
7,461,335,524.40x = 42,388,767,789,380,222,976 - Step 5: Solve for x
x = 42,388,767,789,380,222,976/7,461,335,524.40 - Step 6: Final answer
x = 5,681,123,392.82
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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.