Finding the Fourth Proportional to 348,673,976.80, 522,067,246.80 and 273,176,504.80
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Solution
The fourth proportional to 348,673,976.80, 522,067,246.80 and 273,176,504.80 is: 409,025,379.70
Step by Step Solution
- Step 1: Write the proportion equation
348,673,976.80 : 522,067,246.80 = 273,176,504.80 : x - Step 2: Convert to fraction form
348,673,976.80/522,067,246.80 = 273,176,504.80/x - Step 3: Cross multiply
348,673,976.80x = 522,067,246.80 × 273,176,504.80 - Step 4: Simplify right side
348,673,976.80x = 142,616,505,751,382,992 - Step 5: Solve for x
x = 142,616,505,751,382,992/348,673,976.80 - Step 6: Final answer
x = 409,025,379.70
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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.