Finding the Fourth Proportional to 848,282,410.80, 1,272,423,616.20 and 440,135,722.80
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Solution
The fourth proportional to 848,282,410.80, 1,272,423,616.20 and 440,135,722.80 is: 660,203,584.20
Step by Step Solution
- Step 1: Write the proportion equation
848,282,410.80 : 1,272,423,616.20 = 440,135,722.80 : x - Step 2: Convert to fraction form
848,282,410.80/1,272,423,616.20 = 440,135,722.80/x - Step 3: Cross multiply
848,282,410.80x = 1,272,423,616.20 × 440,135,722.80 - Step 4: Simplify right side
848,282,410.80x = 560,039,088,023,976,832 - Step 5: Solve for x
x = 560,039,088,023,976,832/848,282,410.80 - Step 6: Final answer
x = 660,203,584.20
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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.