Finding the Fourth Proportional to 682,245,503.49, 941,498,796.30 and 368,979,717.45
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Solution
The fourth proportional to 682,245,503.49, 941,498,796.30 and 368,979,717.45 is: 509,192,010.88
Step by Step Solution
- Step 1: Write the proportion equation
682,245,503.49 : 941,498,796.30 = 368,979,717.45 : x - Step 2: Convert to fraction form
682,245,503.49/941,498,796.30 = 368,979,717.45/x - Step 3: Cross multiply
682,245,503.49x = 941,498,796.30 × 368,979,717.45 - Step 4: Simplify right side
682,245,503.49x = 347,393,959,838,289,088 - Step 5: Solve for x
x = 347,393,959,838,289,088/682,245,503.49 - Step 6: Final answer
x = 509,192,010.88
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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.