Finding the Fourth Proportional to 7,858,226,177.88, 11,786,675,252.60 and 2,546,225,901.96
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Solution
The fourth proportional to 7,858,226,177.88, 11,786,675,252.60 and 2,546,225,901.96 is: 3,819,123,698.76
Step by Step Solution
- Step 1: Write the proportion equation
7,858,226,177.88 : 11,786,675,252.60 = 2,546,225,901.96 : x - Step 2: Convert to fraction form
7,858,226,177.88/11,786,675,252.60 = 2,546,225,901.96/x - Step 3: Cross multiply
7,858,226,177.88x = 11,786,675,252.60 × 2,546,225,901.96 - Step 4: Simplify right side
7,858,226,177.88x = 30,011,537,826,122,522,624 - Step 5: Solve for x
x = 30,011,537,826,122,522,624/7,858,226,177.88 - Step 6: Final answer
x = 3,819,123,698.76
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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.