Finding the Fourth Proportional to 347,296,804.24, 479,275,205.16 and 190,678,349.20
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Solution
The fourth proportional to 347,296,804.24, 479,275,205.16 and 190,678,349.20 is: 263,139,204.90
Step by Step Solution
- Step 1: Write the proportion equation
347,296,804.24 : 479,275,205.16 = 190,678,349.20 : x - Step 2: Convert to fraction form
347,296,804.24/479,275,205.16 = 190,678,349.20/x - Step 3: Cross multiply
347,296,804.24x = 479,275,205.16 × 190,678,349.20 - Step 4: Simplify right side
347,296,804.24x = 91,387,404,932,400,128 - Step 5: Solve for x
x = 91,387,404,932,400,128/347,296,804.24 - Step 6: Final answer
x = 263,139,204.90
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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.