Finding the Fourth Proportional to 1,057,738,536.71, 1,586,614,566.12 and 310,751,253.41
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Solution
The fourth proportional to 1,057,738,536.71, 1,586,614,566.12 and 310,751,253.41 is: 466,128,866.43
Step by Step Solution
- Step 1: Write the proportion equation
1,057,738,536.71 : 1,586,614,566.12 = 310,751,253.41 : x - Step 2: Convert to fraction form
1,057,738,536.71/1,586,614,566.12 = 310,751,253.41/x - Step 3: Cross multiply
1,057,738,536.71x = 1,586,614,566.12 × 310,751,253.41 - Step 4: Simplify right side
1,057,738,536.71x = 493,042,465,100,353,344 - Step 5: Solve for x
x = 493,042,465,100,353,344/1,057,738,536.71 - Step 6: Final answer
x = 466,128,866.43
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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.