Finding the Fourth Proportional to 2,199,649,617.80, 3,299,474,426.70 and 1,915,541,259.20
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Solution
The fourth proportional to 2,199,649,617.80, 3,299,474,426.70 and 1,915,541,259.20 is: 2,873,311,888.80
Step by Step Solution
- Step 1: Write the proportion equation
2,199,649,617.80 : 3,299,474,426.70 = 1,915,541,259.20 : x - Step 2: Convert to fraction form
2,199,649,617.80/3,299,474,426.70 = 1,915,541,259.20/x - Step 3: Cross multiply
2,199,649,617.80x = 3,299,474,426.70 × 1,915,541,259.20 - Step 4: Simplify right side
2,199,649,617.80x = 6,320,279,398,019,116,032 - Step 5: Solve for x
x = 6,320,279,398,019,116,032/2,199,649,617.80 - Step 6: Final answer
x = 2,873,311,888.80
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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.