Finding the Fourth Proportional to 4,138,495,381,611.60, 5,711,062,846,780 and 2,311,555,979,230.80
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Solution
The fourth proportional to 4,138,495,381,611.60, 5,711,062,846,780 and 2,311,555,979,230.80 is: 3,189,913,302,765.68
Step by Step Solution
- Step 1: Write the proportion equation
4,138,495,381,611.60 : 5,711,062,846,780 = 2,311,555,979,230.80 : x - Step 2: Convert to fraction form
4,138,495,381,611.60/5,711,062,846,780 = 2,311,555,979,230.80/x - Step 3: Cross multiply
4,138,495,381,611.60x = 5,711,062,846,780 × 2,311,555,979,230.80 - Step 4: Simplify right side
4,138,495,381,611.60x = 13,201,441,471,237,181,027,647,488 - Step 5: Solve for x
x = 13,201,441,471,237,181,027,647,488/4,138,495,381,611.60 - Step 6: Final answer
x = 3,189,913,302,765.68
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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.