Finding the Fourth Proportional to 354,848,625.20, 532,272,937.80 and 201,793,617.20
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Solution
The fourth proportional to 354,848,625.20, 532,272,937.80 and 201,793,617.20 is: 302,690,425.80
Step by Step Solution
- Step 1: Write the proportion equation
354,848,625.20 : 532,272,937.80 = 201,793,617.20 : x - Step 2: Convert to fraction form
354,848,625.20/532,272,937.80 = 201,793,617.20/x - Step 3: Cross multiply
354,848,625.20x = 532,272,937.80 × 201,793,617.20 - Step 4: Simplify right side
354,848,625.20x = 107,409,281,456,332,608 - Step 5: Solve for x
x = 107,409,281,456,332,608/354,848,625.20 - Step 6: Final answer
x = 302,690,425.80
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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.