Finding the Fourth Proportional to 498,816,021.70, 748,224,032.55 and 377,883,669.70
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Solution
The fourth proportional to 498,816,021.70, 748,224,032.55 and 377,883,669.70 is: 566,825,504.55
Step by Step Solution
- Step 1: Write the proportion equation
498,816,021.70 : 748,224,032.55 = 377,883,669.70 : x - Step 2: Convert to fraction form
498,816,021.70/748,224,032.55 = 377,883,669.70/x - Step 3: Cross multiply
498,816,021.70x = 748,224,032.55 × 377,883,669.70 - Step 4: Simplify right side
498,816,021.70x = 282,741,643,177,726,208 - Step 5: Solve for x
x = 282,741,643,177,726,208/498,816,021.70 - Step 6: Final answer
x = 566,825,504.55
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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.