Finding the Fourth Proportional to 347,893,575.87, 479,642,514.81 and 225,326,726.79
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Solution
The fourth proportional to 347,893,575.87, 479,642,514.81 and 225,326,726.79 is: 310,659,021.57
Step by Step Solution
- Step 1: Write the proportion equation
347,893,575.87 : 479,642,514.81 = 225,326,726.79 : x - Step 2: Convert to fraction form
347,893,575.87/479,642,514.81 = 225,326,726.79/x - Step 3: Cross multiply
347,893,575.87x = 479,642,514.81 × 225,326,726.79 - Step 4: Simplify right side
347,893,575.87x = 108,076,277,891,592,512 - Step 5: Solve for x
x = 108,076,277,891,592,512/347,893,575.87 - Step 6: Final answer
x = 310,659,021.57
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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.