Finding the Fourth Proportional to 387,253,862.24, 581,052,330.42 and 202,977,544.22
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Solution
The fourth proportional to 387,253,862.24, 581,052,330.42 and 202,977,544.22 is: 304,556,226.79
Step by Step Solution
- Step 1: Write the proportion equation
387,253,862.24 : 581,052,330.42 = 202,977,544.22 : x - Step 2: Convert to fraction form
387,253,862.24/581,052,330.42 = 202,977,544.22/x - Step 3: Cross multiply
387,253,862.24x = 581,052,330.42 × 202,977,544.22 - Step 4: Simplify right side
387,253,862.24x = 117,940,575,091,959,584 - Step 5: Solve for x
x = 117,940,575,091,959,584/387,253,862.24 - Step 6: Final answer
x = 304,556,226.79
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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.