Finding the Fourth Proportional to 5,025,994,665.78, 7,529,184,270.21 and 3,915,399,352.14
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Solution
The fourth proportional to 5,025,994,665.78, 7,529,184,270.21 and 3,915,399,352.14 is: 5,865,458,515.99
Step by Step Solution
- Step 1: Write the proportion equation
5,025,994,665.78 : 7,529,184,270.21 = 3,915,399,352.14 : x - Step 2: Convert to fraction form
5,025,994,665.78/7,529,184,270.21 = 3,915,399,352.14/x - Step 3: Cross multiply
5,025,994,665.78x = 7,529,184,270.21 × 3,915,399,352.14 - Step 4: Simplify right side
5,025,994,665.78x = 29,479,763,213,722,910,720 - Step 5: Solve for x
x = 29,479,763,213,722,910,720/5,025,994,665.78 - Step 6: Final answer
x = 5,865,458,515.99
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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.