Finding the Fourth Proportional to 621,125,704.20, 930,897,299.70 and 330,132,232.20
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Solution
The fourth proportional to 621,125,704.20, 930,897,299.70 and 330,132,232.20 is: 494,777,790.42
Step by Step Solution
- Step 1: Write the proportion equation
621,125,704.20 : 930,897,299.70 = 330,132,232.20 : x - Step 2: Convert to fraction form
621,125,704.20/930,897,299.70 = 330,132,232.20/x - Step 3: Cross multiply
621,125,704.20x = 930,897,299.70 × 330,132,232.20 - Step 4: Simplify right side
621,125,704.20x = 307,319,203,498,913,408 - Step 5: Solve for x
x = 307,319,203,498,913,408/621,125,704.20 - Step 6: Final answer
x = 494,777,790.42
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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.