Finding the Fourth Proportional to 387,253,903.20, 581,052,391.56 and 202,977,584.88
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Solution
The fourth proportional to 387,253,903.20, 581,052,391.56 and 202,977,584.88 is: 304,556,287.63
Step by Step Solution
- Step 1: Write the proportion equation
387,253,903.20 : 581,052,391.56 = 202,977,584.88 : x - Step 2: Convert to fraction form
387,253,903.20/581,052,391.56 = 202,977,584.88/x - Step 3: Cross multiply
387,253,903.20x = 581,052,391.56 × 202,977,584.88 - Step 4: Simplify right side
387,253,903.20x = 117,940,611,127,596,880 - Step 5: Solve for x
x = 117,940,611,127,596,880/387,253,903.20 - Step 6: Final answer
x = 304,556,287.63
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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.