Finding the Fourth Proportional to 6,351,139,974.22, 9,527,795,307.58 and 2,618,390,855.20
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Solution
The fourth proportional to 6,351,139,974.22, 9,527,795,307.58 and 2,618,390,855.20 is: 3,928,033,739.59
Step by Step Solution
- Step 1: Write the proportion equation
6,351,139,974.22 : 9,527,795,307.58 = 2,618,390,855.20 : x - Step 2: Convert to fraction form
6,351,139,974.22/9,527,795,307.58 = 2,618,390,855.20/x - Step 3: Cross multiply
6,351,139,974.22x = 9,527,795,307.58 × 2,618,390,855.20 - Step 4: Simplify right side
6,351,139,974.22x = 24,947,492,103,584,940,032 - Step 5: Solve for x
x = 24,947,492,103,584,940,032/6,351,139,974.22 - Step 6: Final answer
x = 3,928,033,739.59
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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.