Finding the Fourth Proportional to 11,188,107,054.80, 15,439,953,163.21 and 6,107,741,883.26
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Solution
The fourth proportional to 11,188,107,054.80, 15,439,953,163.21 and 6,107,741,883.26 is: 8,428,883,290.85
Step by Step Solution
- Step 1: Write the proportion equation
11,188,107,054.80 : 15,439,953,163.21 = 6,107,741,883.26 : x - Step 2: Convert to fraction form
11,188,107,054.80/15,439,953,163.21 = 6,107,741,883.26/x - Step 3: Cross multiply
11,188,107,054.80x = 15,439,953,163.21 × 6,107,741,883.26 - Step 4: Simplify right side
11,188,107,054.80x = 94,303,248,610,421,030,912 - Step 5: Solve for x
x = 94,303,248,610,421,030,912/11,188,107,054.80 - Step 6: Final answer
x = 8,428,883,290.85
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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.