Finding the Fourth Proportional to 4,270,593,471.80, 6,405,890,207.70 and 2,629,496,665.40
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Solution
The fourth proportional to 4,270,593,471.80, 6,405,890,207.70 and 2,629,496,665.40 is: 3,944,244,998.10
Step by Step Solution
- Step 1: Write the proportion equation
4,270,593,471.80 : 6,405,890,207.70 = 2,629,496,665.40 : x - Step 2: Convert to fraction form
4,270,593,471.80/6,405,890,207.70 = 2,629,496,665.40/x - Step 3: Cross multiply
4,270,593,471.80x = 6,405,890,207.70 × 2,629,496,665.40 - Step 4: Simplify right side
4,270,593,471.80x = 16,844,266,940,065,662,976 - Step 5: Solve for x
x = 16,844,266,940,065,662,976/4,270,593,471.80 - Step 6: Final answer
x = 3,944,244,998.10
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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.