Finding the Fourth Proportional to 7,471,925,711.87, 11,215,643,596.02 and 4,330,278,484.02
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Solution
The fourth proportional to 7,471,925,711.87, 11,215,643,596.02 and 4,330,278,484.02 is: 6,499,912,073.69
Step by Step Solution
- Step 1: Write the proportion equation
7,471,925,711.87 : 11,215,643,596.02 = 4,330,278,484.02 : x - Step 2: Convert to fraction form
7,471,925,711.87/11,215,643,596.02 = 4,330,278,484.02/x - Step 3: Cross multiply
7,471,925,711.87x = 11,215,643,596.02 × 4,330,278,484.02 - Step 4: Simplify right side
7,471,925,711.87x = 48,566,860,148,282,114,048 - Step 5: Solve for x
x = 48,566,860,148,282,114,048/7,471,925,711.87 - Step 6: Final answer
x = 6,499,912,073.69
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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.