Finding the Fourth Proportional to 326,624,375.26, 450,438,869.38 and 238,378,594.78
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Solution
The fourth proportional to 326,624,375.26, 450,438,869.38 and 238,378,594.78 is: 328,741,492.82
Step by Step Solution
- Step 1: Write the proportion equation
326,624,375.26 : 450,438,869.38 = 238,378,594.78 : x - Step 2: Convert to fraction form
326,624,375.26/450,438,869.38 = 238,378,594.78/x - Step 3: Cross multiply
326,624,375.26x = 450,438,869.38 × 238,378,594.78 - Step 4: Simplify right side
326,624,375.26x = 107,374,984,714,248,224 - Step 5: Solve for x
x = 107,374,984,714,248,224/326,624,375.26 - Step 6: Final answer
x = 328,741,492.82
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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.