Finding the Fourth Proportional to 682,245,503.99, 941,498,796.99 and 368,979,717.95
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Solution
The fourth proportional to 682,245,503.99, 941,498,796.99 and 368,979,717.95 is: 509,192,011.57
Step by Step Solution
- Step 1: Write the proportion equation
682,245,503.99 : 941,498,796.99 = 368,979,717.95 : x - Step 2: Convert to fraction form
682,245,503.99/941,498,796.99 = 368,979,717.95/x - Step 3: Cross multiply
682,245,503.99x = 941,498,796.99 × 368,979,717.95 - Step 4: Simplify right side
682,245,503.99x = 347,393,960,563,634,496 - Step 5: Solve for x
x = 347,393,960,563,634,496/682,245,503.99 - Step 6: Final answer
x = 509,192,011.57
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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.