Finding the Fourth Proportional to 296,809,628.40, 445,214,442.60 and 223,151,905.80
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Solution
The fourth proportional to 296,809,628.40, 445,214,442.60 and 223,151,905.80 is: 334,727,858.70
Step by Step Solution
- Step 1: Write the proportion equation
296,809,628.40 : 445,214,442.60 = 223,151,905.80 : x - Step 2: Convert to fraction form
296,809,628.40/445,214,442.60 = 223,151,905.80/x - Step 3: Cross multiply
296,809,628.40x = 445,214,442.60 × 223,151,905.80 - Step 4: Simplify right side
296,809,628.40x = 99,350,451,355,874,720 - Step 5: Solve for x
x = 99,350,451,355,874,720/296,809,628.40 - Step 6: Final answer
x = 334,727,858.70
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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.