Finding the Fourth Proportional to 274,344,979.24, 378,910,283.70 and 180,677,838.52
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Solution
The fourth proportional to 274,344,979.24, 378,910,283.70 and 180,677,838.52 is: 249,542,350.81
Step by Step Solution
- Step 1: Write the proportion equation
274,344,979.24 : 378,910,283.70 = 180,677,838.52 : x - Step 2: Convert to fraction form
274,344,979.24/378,910,283.70 = 180,677,838.52/x - Step 3: Cross multiply
274,344,979.24x = 378,910,283.70 × 180,677,838.52 - Step 4: Simplify right side
274,344,979.24x = 68,460,691,051,915,992 - Step 5: Solve for x
x = 68,460,691,051,915,992/274,344,979.24 - Step 6: Final answer
x = 249,542,350.81
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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.