Finding the Fourth Proportional to 1,057,738,536.21, 1,586,614,565.37 and 310,751,252.91
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Solution
The fourth proportional to 1,057,738,536.21, 1,586,614,565.37 and 310,751,252.91 is: 466,128,865.68
Step by Step Solution
- Step 1: Write the proportion equation
1,057,738,536.21 : 1,586,614,565.37 = 310,751,252.91 : x - Step 2: Convert to fraction form
1,057,738,536.21/1,586,614,565.37 = 310,751,252.91/x - Step 3: Cross multiply
1,057,738,536.21x = 1,586,614,565.37 × 310,751,252.91 - Step 4: Simplify right side
1,057,738,536.21x = 493,042,464,073,982,592 - Step 5: Solve for x
x = 493,042,464,073,982,592/1,057,738,536.21 - Step 6: Final answer
x = 466,128,865.68
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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.