Finding the Fourth Proportional to 6,318,281,207.20, 9,477,421,810.80 and 4,481,621,111.20
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Solution
The fourth proportional to 6,318,281,207.20, 9,477,421,810.80 and 4,481,621,111.20 is: 6,722,431,666.80
Step by Step Solution
- Step 1: Write the proportion equation
6,318,281,207.20 : 9,477,421,810.80 = 4,481,621,111.20 : x - Step 2: Convert to fraction form
6,318,281,207.20/9,477,421,810.80 = 4,481,621,111.20/x - Step 3: Cross multiply
6,318,281,207.20x = 9,477,421,810.80 × 4,481,621,111.20 - Step 4: Simplify right side
6,318,281,207.20x = 42,474,213,667,028,606,976 - Step 5: Solve for x
x = 42,474,213,667,028,606,976/6,318,281,207.20 - Step 6: Final answer
x = 6,722,431,666.80
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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.