Finding the Fourth Proportional to 5,441,259,801.20, 8,161,889,701.80 and 2,686,269,657.20
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Solution
The fourth proportional to 5,441,259,801.20, 8,161,889,701.80 and 2,686,269,657.20 is: 4,029,404,485.80
Step by Step Solution
- Step 1: Write the proportion equation
5,441,259,801.20 : 8,161,889,701.80 = 2,686,269,657.20 : x - Step 2: Convert to fraction form
5,441,259,801.20/8,161,889,701.80 = 2,686,269,657.20/x - Step 3: Cross multiply
5,441,259,801.20x = 8,161,889,701.80 × 2,686,269,657.20 - Step 4: Simplify right side
5,441,259,801.20x = 21,925,036,651,358,494,720 - Step 5: Solve for x
x = 21,925,036,651,358,494,720/5,441,259,801.20 - Step 6: Final answer
x = 4,029,404,485.80
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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.