Finding the Fourth Proportional to 2,183,818,133.80, 3,275,727,200.70 and 1,214,469,749.80
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Solution
The fourth proportional to 2,183,818,133.80, 3,275,727,200.70 and 1,214,469,749.80 is: 1,821,704,624.70
Step by Step Solution
- Step 1: Write the proportion equation
2,183,818,133.80 : 3,275,727,200.70 = 1,214,469,749.80 : x - Step 2: Convert to fraction form
2,183,818,133.80/3,275,727,200.70 = 1,214,469,749.80/x - Step 3: Cross multiply
2,183,818,133.80x = 3,275,727,200.70 × 1,214,469,749.80 - Step 4: Simplify right side
2,183,818,133.80x = 3,978,271,593,847,182,848 - Step 5: Solve for x
x = 3,978,271,593,847,182,848/2,183,818,133.80 - Step 6: Final answer
x = 1,821,704,624.70
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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.