Finding the Fourth Proportional to 331,330,608.15, 496,995,912.23 and 239,497,603.35
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Solution
The fourth proportional to 331,330,608.15, 496,995,912.23 and 239,497,603.35 is: 359,246,405.03
Step by Step Solution
- Step 1: Write the proportion equation
331,330,608.15 : 496,995,912.23 = 239,497,603.35 : x - Step 2: Convert to fraction form
331,330,608.15/496,995,912.23 = 239,497,603.35/x - Step 3: Cross multiply
331,330,608.15x = 496,995,912.23 × 239,497,603.35 - Step 4: Simplify right side
331,330,608.15x = 119,029,329,852,634,464 - Step 5: Solve for x
x = 119,029,329,852,634,464/331,330,608.15 - Step 6: Final answer
x = 359,246,405.03
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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.