Finding the Fourth Proportional to 331,319,192.20, 496,974,122.70 and 149,566,078.60
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Solution
The fourth proportional to 331,319,192.20, 496,974,122.70 and 149,566,078.60 is: 224,347,011.73
Step by Step Solution
- Step 1: Write the proportion equation
331,319,192.20 : 496,974,122.70 = 149,566,078.60 : x - Step 2: Convert to fraction form
331,319,192.20/496,974,122.70 = 149,566,078.60/x - Step 3: Cross multiply
331,319,192.20x = 496,974,122.70 × 149,566,078.60 - Step 4: Simplify right side
331,319,192.20x = 74,330,470,697,914,240 - Step 5: Solve for x
x = 74,330,470,697,914,240/331,319,192.20 - Step 6: Final answer
x = 224,347,011.73
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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.