Finding the Fourth Proportional to 5,742,043,496.40, 8,609,664,022.20 and 2,987,053,352.40
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Solution
The fourth proportional to 5,742,043,496.40, 8,609,664,022.20 and 2,987,053,352.40 is: 4,478,810,687.64
Step by Step Solution
- Step 1: Write the proportion equation
5,742,043,496.40 : 8,609,664,022.20 = 2,987,053,352.40 : x - Step 2: Convert to fraction form
5,742,043,496.40/8,609,664,022.20 = 2,987,053,352.40/x - Step 3: Cross multiply
5,742,043,496.40x = 8,609,664,022.20 × 2,987,053,352.40 - Step 4: Simplify right side
5,742,043,496.40x = 25,717,525,780,550,180,864 - Step 5: Solve for x
x = 25,717,525,780,550,180,864/5,742,043,496.40 - Step 6: Final answer
x = 4,478,810,687.64
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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.