Finding the Fourth Proportional to 440,201,101.60, 658,734,010.80 and 383,318,106.40
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Solution
The fourth proportional to 440,201,101.60, 658,734,010.80 and 383,318,106.40 is: 573,612,089.39
Step by Step Solution
- Step 1: Write the proportion equation
440,201,101.60 : 658,734,010.80 = 383,318,106.40 : x - Step 2: Convert to fraction form
440,201,101.60/658,734,010.80 = 383,318,106.40/x - Step 3: Cross multiply
440,201,101.60x = 658,734,010.80 × 383,318,106.40 - Step 4: Simplify right side
440,201,101.60x = 252,504,673,641,133,120 - Step 5: Solve for x
x = 252,504,673,641,133,120/440,201,101.60 - Step 6: Final answer
x = 573,612,089.39
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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.