Finding the Fourth Proportional to 5,166,529,257.84, 7,743,497,860.95 and 2,678,018,245.86
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Solution
The fourth proportional to 5,166,529,257.84, 7,743,497,860.95 and 2,678,018,245.86 is: 4,013,763,887.42
Step by Step Solution
- Step 1: Write the proportion equation
5,166,529,257.84 : 7,743,497,860.95 = 2,678,018,245.86 : x - Step 2: Convert to fraction form
5,166,529,257.84/7,743,497,860.95 = 2,678,018,245.86/x - Step 3: Cross multiply
5,166,529,257.84x = 7,743,497,860.95 × 2,678,018,245.86 - Step 4: Simplify right side
5,166,529,257.84x = 20,737,228,558,401,982,464 - Step 5: Solve for x
x = 20,737,228,558,401,982,464/5,166,529,257.84 - Step 6: Final answer
x = 4,013,763,887.42
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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.