Finding the Fourth Proportional to 3,984,006,292.80, 5,976,009,439.20 and 2,795,916,793.20
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Solution
The fourth proportional to 3,984,006,292.80, 5,976,009,439.20 and 2,795,916,793.20 is: 4,193,875,189.80
Step by Step Solution
- Step 1: Write the proportion equation
3,984,006,292.80 : 5,976,009,439.20 = 2,795,916,793.20 : x - Step 2: Convert to fraction form
3,984,006,292.80/5,976,009,439.20 = 2,795,916,793.20/x - Step 3: Cross multiply
3,984,006,292.80x = 5,976,009,439.20 × 2,795,916,793.20 - Step 4: Simplify right side
3,984,006,292.80x = 16,708,425,147,380,992,000 - Step 5: Solve for x
x = 16,708,425,147,380,992,000/3,984,006,292.80 - Step 6: Final answer
x = 4,193,875,189.80
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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.