Finding the Fourth Proportional to 465,181,297.20, 641,954,495.34 and 256,344,913.44
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Solution
The fourth proportional to 465,181,297.20, 641,954,495.34 and 256,344,913.44 is: 353,758,352.99
Step by Step Solution
- Step 1: Write the proportion equation
465,181,297.20 : 641,954,495.34 = 256,344,913.44 : x - Step 2: Convert to fraction form
465,181,297.20/641,954,495.34 = 256,344,913.44/x - Step 3: Cross multiply
465,181,297.20x = 641,954,495.34 × 256,344,913.44 - Step 4: Simplify right side
465,181,297.20x = 164,561,769,540,351,200 - Step 5: Solve for x
x = 164,561,769,540,351,200/465,181,297.20 - Step 6: Final answer
x = 353,758,352.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.