Finding the Fourth Proportional to 253,576,576.80, 380,446,571.52 and 115,451,605.44
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Solution
The fourth proportional to 253,576,576.80, 380,446,571.52 and 115,451,605.44 is: 173,214,608.46
Step by Step Solution
- Step 1: Write the proportion equation
253,576,576.80 : 380,446,571.52 = 115,451,605.44 : x - Step 2: Convert to fraction form
253,576,576.80/380,446,571.52 = 115,451,605.44/x - Step 3: Cross multiply
253,576,576.80x = 380,446,571.52 × 115,451,605.44 - Step 4: Simplify right side
253,576,576.80x = 43,923,167,466,127,776 - Step 5: Solve for x
x = 43,923,167,466,127,776/253,576,576.80 - Step 6: Final answer
x = 173,214,608.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.