Finding the Fourth Proportional to 367,017,938.10, 550,526,907.15 and 352,909,163.70
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Solution
The fourth proportional to 367,017,938.10, 550,526,907.15 and 352,909,163.70 is: 529,363,745.55
Step by Step Solution
- Step 1: Write the proportion equation
367,017,938.10 : 550,526,907.15 = 352,909,163.70 : x - Step 2: Convert to fraction form
367,017,938.10/550,526,907.15 = 352,909,163.70/x - Step 3: Cross multiply
367,017,938.10x = 550,526,907.15 × 352,909,163.70 - Step 4: Simplify right side
367,017,938.10x = 194,285,990,396,654,048 - Step 5: Solve for x
x = 194,285,990,396,654,048/367,017,938.10 - Step 6: Final answer
x = 529,363,745.55
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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.