Finding the Fourth Proportional to 325,696,046.20, 488,544,069.30 and 228,761,207.80
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Solution
The fourth proportional to 325,696,046.20, 488,544,069.30 and 228,761,207.80 is: 343,141,811.70
Step by Step Solution
- Step 1: Write the proportion equation
325,696,046.20 : 488,544,069.30 = 228,761,207.80 : x - Step 2: Convert to fraction form
325,696,046.20/488,544,069.30 = 228,761,207.80/x - Step 3: Cross multiply
325,696,046.20x = 488,544,069.30 × 228,761,207.80 - Step 4: Simplify right side
325,696,046.20x = 111,759,931,356,594,912 - Step 5: Solve for x
x = 111,759,931,356,594,912/325,696,046.20 - Step 6: Final answer
x = 343,141,811.70
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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.