Finding the Fourth Proportional to 2,081,094,228.84, 3,120,394,702.91 and 662,378,542.86
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Solution
The fourth proportional to 2,081,094,228.84, 3,120,394,702.91 and 662,378,542.86 is: 993,171,028.88
Step by Step Solution
- Step 1: Write the proportion equation
2,081,094,228.84 : 3,120,394,702.91 = 662,378,542.86 : x - Step 2: Convert to fraction form
2,081,094,228.84/3,120,394,702.91 = 662,378,542.86/x - Step 3: Cross multiply
2,081,094,228.84x = 3,120,394,702.91 × 662,378,542.86 - Step 4: Simplify right side
2,081,094,228.84x = 2,066,882,496,458,276,608 - Step 5: Solve for x
x = 2,066,882,496,458,276,608/2,081,094,228.84 - Step 6: Final answer
x = 993,171,028.88
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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.