Finding the Fourth Proportional to 1,994,544,609.80, 2,991,816,914.70 and 540,522,033.80
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Solution
The fourth proportional to 1,994,544,609.80, 2,991,816,914.70 and 540,522,033.80 is: 810,783,050.70
Step by Step Solution
- Step 1: Write the proportion equation
1,994,544,609.80 : 2,991,816,914.70 = 540,522,033.80 : x - Step 2: Convert to fraction form
1,994,544,609.80/2,991,816,914.70 = 540,522,033.80/x - Step 3: Cross multiply
1,994,544,609.80x = 2,991,816,914.70 × 540,522,033.80 - Step 4: Simplify right side
1,994,544,609.80x = 1,617,142,963,490,884,864 - Step 5: Solve for x
x = 1,617,142,963,490,884,864/1,994,544,609.80 - Step 6: Final answer
x = 810,783,050.70
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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.