Finding the Fourth Proportional to 7,028,691,169.14, 9,699,567,205.14 and 3,856,928,163.84
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Solution
The fourth proportional to 7,028,691,169.14, 9,699,567,205.14 and 3,856,928,163.84 is: 5,322,546,265.06
Step by Step Solution
- Step 1: Write the proportion equation
7,028,691,169.14 : 9,699,567,205.14 = 3,856,928,163.84 : x - Step 2: Convert to fraction form
7,028,691,169.14/9,699,567,205.14 = 3,856,928,163.84/x - Step 3: Cross multiply
7,028,691,169.14x = 9,699,567,205.14 × 3,856,928,163.84 - Step 4: Simplify right side
7,028,691,169.14x = 37,410,533,930,563,297,280 - Step 5: Solve for x
x = 37,410,533,930,563,297,280/7,028,691,169.14 - Step 6: Final answer
x = 5,322,546,265.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.