Finding the Fourth Proportional to 331,717,840.88, 457,936,347.90 and 206,310,460.41
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Solution
The fourth proportional to 331,717,840.88, 457,936,347.90 and 206,310,460.41 is: 284,811,508.85
Step by Step Solution
- Step 1: Write the proportion equation
331,717,840.88 : 457,936,347.90 = 206,310,460.41 : x - Step 2: Convert to fraction form
331,717,840.88/457,936,347.90 = 206,310,460.41/x - Step 3: Cross multiply
331,717,840.88x = 457,936,347.90 × 206,310,460.41 - Step 4: Simplify right side
331,717,840.88x = 94,477,058,773,722,928 - Step 5: Solve for x
x = 94,477,058,773,722,928/331,717,840.88 - Step 6: Final answer
x = 284,811,508.85
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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.