Finding the Fourth Proportional to 332,327,644.80, 498,583,612.80 and 138,330,441.60
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Solution
The fourth proportional to 332,327,644.80, 498,583,612.80 and 138,330,441.60 is: 207,534,017.75
Step by Step Solution
- Step 1: Write the proportion equation
332,327,644.80 : 498,583,612.80 = 138,330,441.60 : x - Step 2: Convert to fraction form
332,327,644.80/498,583,612.80 = 138,330,441.60/x - Step 3: Cross multiply
332,327,644.80x = 498,583,612.80 × 138,330,441.60 - Step 4: Simplify right side
332,327,644.80x = 68,969,291,333,147,408 - Step 5: Solve for x
x = 68,969,291,333,147,408/332,327,644.80 - Step 6: Final answer
x = 207,534,017.75
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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.