Finding the Fourth Proportional to 3,722,138,519.40, 5,583,207,779.10 and 3,438,030,160.80
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Solution
The fourth proportional to 3,722,138,519.40, 5,583,207,779.10 and 3,438,030,160.80 is: 5,157,045,241.20
Step by Step Solution
- Step 1: Write the proportion equation
3,722,138,519.40 : 5,583,207,779.10 = 3,438,030,160.80 : x - Step 2: Convert to fraction form
3,722,138,519.40/5,583,207,779.10 = 3,438,030,160.80/x - Step 3: Cross multiply
3,722,138,519.40x = 5,583,207,779.10 × 3,438,030,160.80 - Step 4: Simplify right side
3,722,138,519.40x = 19,195,236,738,558,988,288 - Step 5: Solve for x
x = 19,195,236,738,558,988,288/3,722,138,519.40 - Step 6: Final answer
x = 5,157,045,241.20
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Double scale
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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.