Finding the Fourth Proportional to 434,486,890.80, 652,486,163.40 and 230,413,546.80
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Solution
The fourth proportional to 434,486,890.80, 652,486,163.40 and 230,413,546.80 is: 346,021,144.32
Step by Step Solution
- Step 1: Write the proportion equation
434,486,890.80 : 652,486,163.40 = 230,413,546.80 : x - Step 2: Convert to fraction form
434,486,890.80/652,486,163.40 = 230,413,546.80/x - Step 3: Cross multiply
434,486,890.80x = 652,486,163.40 × 230,413,546.80 - Step 4: Simplify right side
434,486,890.80x = 150,341,651,146,918,336 - Step 5: Solve for x
x = 150,341,651,146,918,336/434,486,890.80 - Step 6: Final answer
x = 346,021,144.32
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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.