Finding the Fourth Proportional to 496,430,622.21, 685,122,648.20 and 370,764,648.14
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Solution
The fourth proportional to 496,430,622.21, 685,122,648.20 and 370,764,648.14 is: 511,691,354.69
Step by Step Solution
- Step 1: Write the proportion equation
496,430,622.21 : 685,122,648.20 = 370,764,648.14 : x - Step 2: Convert to fraction form
496,430,622.21/685,122,648.20 = 370,764,648.14/x - Step 3: Cross multiply
496,430,622.21x = 685,122,648.20 × 370,764,648.14 - Step 4: Simplify right side
496,430,622.21x = 254,019,257,587,338,592 - Step 5: Solve for x
x = 254,019,257,587,338,592/496,430,622.21 - Step 6: Final answer
x = 511,691,354.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.