Finding the Fourth Proportional to 265,724,412.30, 398,586,618.45 and 149,019,968.70
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Solution
The fourth proportional to 265,724,412.30, 398,586,618.45 and 149,019,968.70 is: 223,529,953.05
Step by Step Solution
- Step 1: Write the proportion equation
265,724,412.30 : 398,586,618.45 = 149,019,968.70 : x - Step 2: Convert to fraction form
265,724,412.30/398,586,618.45 = 149,019,968.70/x - Step 3: Cross multiply
265,724,412.30x = 398,586,618.45 × 149,019,968.70 - Step 4: Simplify right side
265,724,412.30x = 59,397,365,405,657,832 - Step 5: Solve for x
x = 59,397,365,405,657,832/265,724,412.30 - Step 6: Final answer
x = 223,529,953.05
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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.