Finding the Fourth Proportional to 316,244,619.36, 436,393,746.72 and 192,471,616.80
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Solution
The fourth proportional to 316,244,619.36, 436,393,746.72 and 192,471,616.80 is: 265,596,329.08
Step by Step Solution
- Step 1: Write the proportion equation
316,244,619.36 : 436,393,746.72 = 192,471,616.80 : x - Step 2: Convert to fraction form
316,244,619.36/436,393,746.72 = 192,471,616.80/x - Step 3: Cross multiply
316,244,619.36x = 436,393,746.72 × 192,471,616.80 - Step 4: Simplify right side
316,244,619.36x = 83,993,409,992,608,112 - Step 5: Solve for x
x = 83,993,409,992,608,112/316,244,619.36 - Step 6: Final answer
x = 265,596,329.08
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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.