Finding the Fourth Proportional to 577,279,523.07, 796,651,984.61 and 339,134,745.69
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Solution
The fourth proportional to 577,279,523.07, 796,651,984.61 and 339,134,745.69 is: 468,009,616.50
Step by Step Solution
- Step 1: Write the proportion equation
577,279,523.07 : 796,651,984.61 = 339,134,745.69 : x - Step 2: Convert to fraction form
577,279,523.07/796,651,984.61 = 339,134,745.69/x - Step 3: Cross multiply
577,279,523.07x = 796,651,984.61 × 339,134,745.69 - Step 4: Simplify right side
577,279,523.07x = 270,172,368,202,450,464 - Step 5: Solve for x
x = 270,172,368,202,450,464/577,279,523.07 - Step 6: Final answer
x = 468,009,616.50
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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.