Finding the Fourth Proportional to 8,018,536,246.73, 12,028,264,014.32 and 2,122,942,286.08
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Solution
The fourth proportional to 8,018,536,246.73, 12,028,264,014.32 and 2,122,942,286.08 is: 3,184,535,121.92
Step by Step Solution
- Step 1: Write the proportion equation
8,018,536,246.73 : 12,028,264,014.32 = 2,122,942,286.08 : x - Step 2: Convert to fraction form
8,018,536,246.73/12,028,264,014.32 = 2,122,942,286.08/x - Step 3: Cross multiply
8,018,536,246.73x = 12,028,264,014.32 × 2,122,942,286.08 - Step 4: Simplify right side
8,018,536,246.73x = 25,535,310,304,085,618,688 - Step 5: Solve for x
x = 25,535,310,304,085,618,688/8,018,536,246.73 - Step 6: Final answer
x = 3,184,535,121.92
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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.