Finding the Fourth Proportional to 3,570,808,979.70, 5,351,126,767.56 and 2,630,738,861.46
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Solution
The fourth proportional to 3,570,808,979.70, 5,351,126,767.56 and 2,630,738,861.46 is: 3,942,360,742.36
Step by Step Solution
- Step 1: Write the proportion equation
3,570,808,979.70 : 5,351,126,767.56 = 2,630,738,861.46 : x - Step 2: Convert to fraction form
3,570,808,979.70/5,351,126,767.56 = 2,630,738,861.46/x - Step 3: Cross multiply
3,570,808,979.70x = 5,351,126,767.56 × 2,630,738,861.46 - Step 4: Simplify right side
3,570,808,979.70x = 14,077,417,140,018,925,568 - Step 5: Solve for x
x = 14,077,417,140,018,925,568/3,570,808,979.70 - Step 6: Final answer
x = 3,942,360,742.36
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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.