Finding the Fourth Proportional to 682,384,473,158.70, 941,720,174,305.62 and 377,890,129,140.12
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Solution
The fourth proportional to 682,384,473,158.70, 941,720,174,305.62 and 377,890,129,140.12 is: 521,504,770,814.80
Step by Step Solution
- Step 1: Write the proportion equation
682,384,473,158.70 : 941,720,174,305.62 = 377,890,129,140.12 : x - Step 2: Convert to fraction form
682,384,473,158.70/941,720,174,305.62 = 377,890,129,140.12/x - Step 3: Cross multiply
682,384,473,158.70x = 941,720,174,305.62 × 377,890,129,140.12 - Step 4: Simplify right side
682,384,473,158.70x = 355,866,758,282,207,068,946,432 - Step 5: Solve for x
x = 355,866,758,282,207,068,946,432/682,384,473,158.70 - Step 6: Final answer
x = 521,504,770,814.80
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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.