Finding the Fourth Proportional to 8,638,043,836.32, 11,920,511,990.16 and 4,677,752,334.24
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Solution
The fourth proportional to 8,638,043,836.32, 11,920,511,990.16 and 4,677,752,334.24 is: 6,455,304,446.69
Step by Step Solution
- Step 1: Write the proportion equation
8,638,043,836.32 : 11,920,511,990.16 = 4,677,752,334.24 : x - Step 2: Convert to fraction form
8,638,043,836.32/11,920,511,990.16 = 4,677,752,334.24/x - Step 3: Cross multiply
8,638,043,836.32x = 11,920,511,990.16 × 4,677,752,334.24 - Step 4: Simplify right side
8,638,043,836.32x = 55,761,202,787,306,848,256 - Step 5: Solve for x
x = 55,761,202,787,306,848,256/8,638,043,836.32 - Step 6: Final answer
x = 6,455,304,446.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.