Finding the Fourth Proportional to 325,696,036.20, 488,544,054.30 and 228,761,197.80
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Solution
The fourth proportional to 325,696,036.20, 488,544,054.30 and 228,761,197.80 is: 343,141,796.70
Step by Step Solution
- Step 1: Write the proportion equation
325,696,036.20 : 488,544,054.30 = 228,761,197.80 : x - Step 2: Convert to fraction form
325,696,036.20/488,544,054.30 = 228,761,197.80/x - Step 3: Cross multiply
325,696,036.20x = 488,544,054.30 × 228,761,197.80 - Step 4: Simplify right side
325,696,036.20x = 111,759,923,039,736,256 - Step 5: Solve for x
x = 111,759,923,039,736,256/325,696,036.20 - Step 6: Final answer
x = 343,141,796.70
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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.