Finding the Fourth Proportional to 327,477,603.18, 451,958,720.99 and 186,383,130.51
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Solution
The fourth proportional to 327,477,603.18, 451,958,720.99 and 186,383,130.51 is: 257,231,274.63
Step by Step Solution
- Step 1: Write the proportion equation
327,477,603.18 : 451,958,720.99 = 186,383,130.51 : x - Step 2: Convert to fraction form
327,477,603.18/451,958,720.99 = 186,383,130.51/x - Step 3: Cross multiply
327,477,603.18x = 451,958,720.99 × 186,383,130.51 - Step 4: Simplify right side
327,477,603.18x = 84,237,481,278,479,936 - Step 5: Solve for x
x = 84,237,481,278,479,936/327,477,603.18 - Step 6: Final answer
x = 257,231,274.63
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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.