Finding the Fourth Proportional to 3,601,740,216.55, 4,970,556,840.72 and 1,994,195,197.75
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Solution
The fourth proportional to 3,601,740,216.55, 4,970,556,840.72 and 1,994,195,197.75 is: 2,752,075,381.88
Step by Step Solution
- Step 1: Write the proportion equation
3,601,740,216.55 : 4,970,556,840.72 = 1,994,195,197.75 : x - Step 2: Convert to fraction form
3,601,740,216.55/4,970,556,840.72 = 1,994,195,197.75/x - Step 3: Cross multiply
3,601,740,216.55x = 4,970,556,840.72 × 1,994,195,197.75 - Step 4: Simplify right side
3,601,740,216.55x = 9,912,260,581,907,236,864 - Step 5: Solve for x
x = 9,912,260,581,907,236,864/3,601,740,216.55 - Step 6: Final answer
x = 2,752,075,381.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.