Finding the Fourth Proportional to 1,057,738,535.21, 1,586,614,563.88 and 310,751,251.92
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Solution
The fourth proportional to 1,057,738,535.21, 1,586,614,563.88 and 310,751,251.92 is: 466,128,864.19
Step by Step Solution
- Step 1: Write the proportion equation
1,057,738,535.21 : 1,586,614,563.88 = 310,751,251.92 : x - Step 2: Convert to fraction form
1,057,738,535.21/1,586,614,563.88 = 310,751,251.92/x - Step 3: Cross multiply
1,057,738,535.21x = 1,586,614,563.88 × 310,751,251.92 - Step 4: Simplify right side
1,057,738,535.21x = 493,042,462,030,728,000 - Step 5: Solve for x
x = 493,042,462,030,728,000/1,057,738,535.21 - Step 6: Final answer
x = 466,128,864.19
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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.