Finding the Fourth Proportional to 325,696,032.20, 488,544,048.30 and 228,761,193.80
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Solution
The fourth proportional to 325,696,032.20, 488,544,048.30 and 228,761,193.80 is: 343,141,790.70
Step by Step Solution
- Step 1: Write the proportion equation
325,696,032.20 : 488,544,048.30 = 228,761,193.80 : x - Step 2: Convert to fraction form
325,696,032.20/488,544,048.30 = 228,761,193.80/x - Step 3: Cross multiply
325,696,032.20x = 488,544,048.30 × 228,761,193.80 - Step 4: Simplify right side
325,696,032.20x = 111,759,919,712,992,864 - Step 5: Solve for x
x = 111,759,919,712,992,864/325,696,032.20 - Step 6: Final answer
x = 343,141,790.70
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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.