Finding the Fourth Proportional to 8,135,425,793.70, 12,203,138,690.55 and 6,176,321,691.30
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Solution
The fourth proportional to 8,135,425,793.70, 12,203,138,690.55 and 6,176,321,691.30 is: 9,264,482,536.95
Step by Step Solution
- Step 1: Write the proportion equation
8,135,425,793.70 : 12,203,138,690.55 = 6,176,321,691.30 : x - Step 2: Convert to fraction form
8,135,425,793.70/12,203,138,690.55 = 6,176,321,691.30/x - Step 3: Cross multiply
8,135,425,793.70x = 12,203,138,690.55 × 6,176,321,691.30 - Step 4: Simplify right side
8,135,425,793.70x = 75,370,510,196,386,234,368 - Step 5: Solve for x
x = 75,370,510,196,386,234,368/8,135,425,793.70 - Step 6: Final answer
x = 9,264,482,536.95
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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.