Finding the Fourth Proportional to 285,302,481.12, 427,937,326.20 and 169,453,701
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Solution
The fourth proportional to 285,302,481.12, 427,937,326.20 and 169,453,701 is: 254,170,813.50
Step by Step Solution
- Step 1: Write the proportion equation
285,302,481.12 : 427,937,326.20 = 169,453,701 : x - Step 2: Convert to fraction form
285,302,481.12/427,937,326.20 = 169,453,701/x - Step 3: Cross multiply
285,302,481.12x = 427,937,326.20 × 169,453,701 - Step 4: Simplify right side
285,302,481.12x = 72,515,563,720,634,272 - Step 5: Solve for x
x = 72,515,563,720,634,272/285,302,481.12 - Step 6: Final answer
x = 254,170,813.50
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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.