Finding the Fourth Proportional to 393,277,310,114.64, 542,716,912,107.96 and 219,664,983,206.44
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Solution
The fourth proportional to 393,277,310,114.64, 542,716,912,107.96 and 219,664,983,206.44 is: 303,134,450,724.59
Step by Step Solution
- Step 1: Write the proportion equation
393,277,310,114.64 : 542,716,912,107.96 = 219,664,983,206.44 : x - Step 2: Convert to fraction form
393,277,310,114.64/542,716,912,107.96 = 219,664,983,206.44/x - Step 3: Cross multiply
393,277,310,114.64x = 542,716,912,107.96 × 219,664,983,206.44 - Step 4: Simplify right side
393,277,310,114.64x = 119,215,901,384,046,010,171,392 - Step 5: Solve for x
x = 119,215,901,384,046,010,171,392/393,277,310,114.64 - Step 6: Final answer
x = 303,134,450,724.59
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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.