Finding the Fourth Proportional to 332,190,465.20, 498,285,697.80 and 313,058,589.20
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Solution
The fourth proportional to 332,190,465.20, 498,285,697.80 and 313,058,589.20 is: 469,587,883.80
Step by Step Solution
- Step 1: Write the proportion equation
332,190,465.20 : 498,285,697.80 = 313,058,589.20 : x - Step 2: Convert to fraction form
332,190,465.20/498,285,697.80 = 313,058,589.20/x - Step 3: Cross multiply
332,190,465.20x = 498,285,697.80 × 313,058,589.20 - Step 4: Simplify right side
332,190,465.20x = 155,992,617,571,805,536 - Step 5: Solve for x
x = 155,992,617,571,805,536/332,190,465.20 - Step 6: Final answer
x = 469,587,883.80
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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.