Finding the Fourth Proportional to 6,486,762,077.73, 9,729,159,989.86 and 1,765,451,907.44
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Solution
The fourth proportional to 6,486,762,077.73, 9,729,159,989.86 and 1,765,451,907.44 is: 2,647,910,291.15
Step by Step Solution
- Step 1: Write the proportion equation
6,486,762,077.73 : 9,729,159,989.86 = 1,765,451,907.44 : x - Step 2: Convert to fraction form
6,486,762,077.73/9,729,159,989.86 = 1,765,451,907.44/x - Step 3: Cross multiply
6,486,762,077.73x = 9,729,159,989.86 × 1,765,451,907.44 - Step 4: Simplify right side
6,486,762,077.73x = 17,176,364,061,887,268,864 - Step 5: Solve for x
x = 17,176,364,061,887,268,864/6,486,762,077.73 - Step 6: Final answer
x = 2,647,910,291.15
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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.