Finding the Fourth Proportional to 589,714,207.80, 884,571,311.70 and 201,478,842.60
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Solution
The fourth proportional to 589,714,207.80, 884,571,311.70 and 201,478,842.60 is: 302,218,263.90
Step by Step Solution
- Step 1: Write the proportion equation
589,714,207.80 : 884,571,311.70 = 201,478,842.60 : x - Step 2: Convert to fraction form
589,714,207.80/884,571,311.70 = 201,478,842.60/x - Step 3: Cross multiply
589,714,207.80x = 884,571,311.70 × 201,478,842.60 - Step 4: Simplify right side
589,714,207.80x = 178,222,404,078,479,840 - Step 5: Solve for x
x = 178,222,404,078,479,840/589,714,207.80 - Step 6: Final answer
x = 302,218,263.90
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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.