Finding the Fourth Proportional to 1,474,541,905.55, 2,211,797,724.66 and 852,361,247.21
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Solution
The fourth proportional to 1,474,541,905.55, 2,211,797,724.66 and 852,361,247.21 is: 1,278,533,122.77
Step by Step Solution
- Step 1: Write the proportion equation
1,474,541,905.55 : 2,211,797,724.66 = 852,361,247.21 : x - Step 2: Convert to fraction form
1,474,541,905.55/2,211,797,724.66 = 852,361,247.21/x - Step 3: Cross multiply
1,474,541,905.55x = 2,211,797,724.66 × 852,361,247.21 - Step 4: Simplify right side
1,474,541,905.55x = 1,885,250,667,156,378,624 - Step 5: Solve for x
x = 1,885,250,667,156,378,624/1,474,541,905.55 - Step 6: Final answer
x = 1,278,533,122.77
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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.