Finding the Fourth Proportional to 1,994,548,121.55, 2,991,822,182.33 and 614,183,268.15
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Solution
The fourth proportional to 1,994,548,121.55, 2,991,822,182.33 and 614,183,268.15 is: 921,274,902.23
Step by Step Solution
- Step 1: Write the proportion equation
1,994,548,121.55 : 2,991,822,182.33 = 614,183,268.15 : x - Step 2: Convert to fraction form
1,994,548,121.55/2,991,822,182.33 = 614,183,268.15/x - Step 3: Cross multiply
1,994,548,121.55x = 2,991,822,182.33 × 614,183,268.15 - Step 4: Simplify right side
1,994,548,121.55x = 1,837,527,125,664,033,536 - Step 5: Solve for x
x = 1,837,527,125,664,033,536/1,994,548,121.55 - Step 6: Final answer
x = 921,274,902.23
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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.