Finding the Fourth Proportional to 497,686,469.80, 746,529,704.70 and 282,695,621.80
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Solution
The fourth proportional to 497,686,469.80, 746,529,704.70 and 282,695,621.80 is: 424,043,432.70
Step by Step Solution
- Step 1: Write the proportion equation
497,686,469.80 : 746,529,704.70 = 282,695,621.80 : x - Step 2: Convert to fraction form
497,686,469.80/746,529,704.70 = 282,695,621.80/x - Step 3: Cross multiply
497,686,469.80x = 746,529,704.70 × 282,695,621.80 - Step 4: Simplify right side
497,686,469.80x = 211,040,679,062,336,896 - Step 5: Solve for x
x = 211,040,679,062,336,896/497,686,469.80 - Step 6: Final answer
x = 424,043,432.70
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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.