Finding the Fourth Proportional to 8,161,926,266.40, 12,242,889,399.60 and 2,641,742,311.20
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Solution
The fourth proportional to 8,161,926,266.40, 12,242,889,399.60 and 2,641,742,311.20 is: 3,962,613,466.80
Step by Step Solution
- Step 1: Write the proportion equation
8,161,926,266.40 : 12,242,889,399.60 = 2,641,742,311.20 : x - Step 2: Convert to fraction form
8,161,926,266.40/12,242,889,399.60 = 2,641,742,311.20/x - Step 3: Cross multiply
8,161,926,266.40x = 12,242,889,399.60 × 2,641,742,311.20 - Step 4: Simplify right side
8,161,926,266.40x = 32,342,558,938,265,284,608 - Step 5: Solve for x
x = 32,342,558,938,265,284,608/8,161,926,266.40 - Step 6: Final answer
x = 3,962,613,466.80
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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.