Finding the Fourth Proportional to 8,156,149,819.98, 12,240,762,462.69 and 4,226,979,311.70
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Solution
The fourth proportional to 8,156,149,819.98, 12,240,762,462.69 and 4,226,979,311.70 is: 6,343,857,191.35
Step by Step Solution
- Step 1: Write the proportion equation
8,156,149,819.98 : 12,240,762,462.69 = 4,226,979,311.70 : x - Step 2: Convert to fraction form
8,156,149,819.98/12,240,762,462.69 = 4,226,979,311.70/x - Step 3: Cross multiply
8,156,149,819.98x = 12,240,762,462.69 × 4,226,979,311.70 - Step 4: Simplify right side
8,156,149,819.98x = 51,741,449,689,224,577,024 - Step 5: Solve for x
x = 51,741,449,689,224,577,024/8,156,149,819.98 - Step 6: Final answer
x = 6,343,857,191.35
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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.