Finding the Fourth Proportional to 859,322,452.87, 1,184,926,580.90 and 580,379,694.31
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Solution
The fourth proportional to 859,322,452.87, 1,184,926,580.90 and 580,379,694.31 is: 800,290,187.35
Step by Step Solution
- Step 1: Write the proportion equation
859,322,452.87 : 1,184,926,580.90 = 580,379,694.31 : x - Step 2: Convert to fraction form
859,322,452.87/1,184,926,580.90 = 580,379,694.31/x - Step 3: Cross multiply
859,322,452.87x = 1,184,926,580.90 × 580,379,694.31 - Step 4: Simplify right side
859,322,452.87x = 687,707,326,796,610,816 - Step 5: Solve for x
x = 687,707,326,796,610,816/859,322,452.87 - Step 6: Final answer
x = 800,290,187.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.