Finding the Fourth Proportional to 325,067,482.78, 487,599,872.49 and 117,757,353.98
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Solution
The fourth proportional to 325,067,482.78, 487,599,872.49 and 117,757,353.98 is: 176,635,541.32
Step by Step Solution
- Step 1: Write the proportion equation
325,067,482.78 : 487,599,872.49 = 117,757,353.98 : x - Step 2: Convert to fraction form
325,067,482.78/487,599,872.49 = 117,757,353.98/x - Step 3: Cross multiply
325,067,482.78x = 487,599,872.49 × 117,757,353.98 - Step 4: Simplify right side
325,067,482.78x = 57,418,470,786,626,792 - Step 5: Solve for x
x = 57,418,470,786,626,792/325,067,482.78 - Step 6: Final answer
x = 176,635,541.32
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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.