Finding the Fourth Proportional to 325,858,925.91, 489,005,724.19 and 118,597,278.84
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Solution
The fourth proportional to 325,858,925.91, 489,005,724.19 and 118,597,278.84 is: 177,975,018.07
Step by Step Solution
- Step 1: Write the proportion equation
325,858,925.91 : 489,005,724.19 = 118,597,278.84 : x - Step 2: Convert to fraction form
325,858,925.91/489,005,724.19 = 118,597,278.84/x - Step 3: Cross multiply
325,858,925.91x = 489,005,724.19 × 118,597,278.84 - Step 4: Simplify right side
325,858,925.91x = 57,994,748,226,117,568 - Step 5: Solve for x
x = 57,994,748,226,117,568/325,858,925.91 - Step 6: Final answer
x = 177,975,018.07
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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.