Finding the Fourth Proportional to 272,630,463,301.45, 408,945,694,952.18 and 131,415,695,060.95
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Solution
The fourth proportional to 272,630,463,301.45, 408,945,694,952.18 and 131,415,695,060.95 is: 197,123,542,591.43
Step by Step Solution
- Step 1: Write the proportion equation
272,630,463,301.45 : 408,945,694,952.18 = 131,415,695,060.95 : x - Step 2: Convert to fraction form
272,630,463,301.45/408,945,694,952.18 = 131,415,695,060.95/x - Step 3: Cross multiply
272,630,463,301.45x = 408,945,694,952.18 × 131,415,695,060.95 - Step 4: Simplify right side
272,630,463,301.45x = 53,741,882,744,323,964,928,000 - Step 5: Solve for x
x = 53,741,882,744,323,964,928,000/272,630,463,301.45 - Step 6: Final answer
x = 197,123,542,591.43
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1.5x scale
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.