Finding the Fourth Proportional to 7,558,290,415.20, 11,337,435,622.80 and 2,649,192,751.20
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Solution
The fourth proportional to 7,558,290,415.20, 11,337,435,622.80 and 2,649,192,751.20 is: 3,973,789,126.80
Step by Step Solution
- Step 1: Write the proportion equation
7,558,290,415.20 : 11,337,435,622.80 = 2,649,192,751.20 : x - Step 2: Convert to fraction form
7,558,290,415.20/11,337,435,622.80 = 2,649,192,751.20/x - Step 3: Cross multiply
7,558,290,415.20x = 11,337,435,622.80 × 2,649,192,751.20 - Step 4: Simplify right side
7,558,290,415.20x = 30,035,052,269,118,414,848 - Step 5: Solve for x
x = 30,035,052,269,118,414,848/7,558,290,415.20 - Step 6: Final answer
x = 3,973,789,126.80
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Double scale
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Similar ratio
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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.