Finding the Fourth Proportional to 332,153,347.20, 498,230,020.80 and 246,059,905.20
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Solution
The fourth proportional to 332,153,347.20, 498,230,020.80 and 246,059,905.20 is: 369,089,857.80
Step by Step Solution
- Step 1: Write the proportion equation
332,153,347.20 : 498,230,020.80 = 246,059,905.20 : x - Step 2: Convert to fraction form
332,153,347.20/498,230,020.80 = 246,059,905.20/x - Step 3: Cross multiply
332,153,347.20x = 498,230,020.80 × 246,059,905.20 - Step 4: Simplify right side
332,153,347.20x = 122,594,431,685,842,032 - Step 5: Solve for x
x = 122,594,431,685,842,032/332,153,347.20 - Step 6: Final answer
x = 369,089,857.80
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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.