Finding the Fourth Proportional to 14,107,040,755.19, 19,467,719,419.84 and 7,763,408,588.14
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Solution
The fourth proportional to 14,107,040,755.19, 19,467,719,419.84 and 7,763,408,588.14 is: 10,713,505,600.37
Step by Step Solution
- Step 1: Write the proportion equation
14,107,040,755.19 : 19,467,719,419.84 = 7,763,408,588.14 : x - Step 2: Convert to fraction form
14,107,040,755.19/19,467,719,419.84 = 7,763,408,588.14/x - Step 3: Cross multiply
14,107,040,755.19x = 19,467,719,419.84 × 7,763,408,588.14 - Step 4: Simplify right side
14,107,040,755.19x = 151,135,860,135,369,015,296 - Step 5: Solve for x
x = 151,135,860,135,369,015,296/14,107,040,755.19 - Step 6: Final answer
x = 10,713,505,600.37
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.