Finding the Fourth Proportional to 620,636,201.44, 857,295,512.84 and 460,025,778.08
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Solution
The fourth proportional to 620,636,201.44, 857,295,512.84 and 460,025,778.08 is: 635,441,558.88
Step by Step Solution
- Step 1: Write the proportion equation
620,636,201.44 : 857,295,512.84 = 460,025,778.08 : x - Step 2: Convert to fraction form
620,636,201.44/857,295,512.84 = 460,025,778.08/x - Step 3: Cross multiply
620,636,201.44x = 857,295,512.84 × 460,025,778.08 - Step 4: Simplify right side
620,636,201.44x = 394,378,035,338,713,600 - Step 5: Solve for x
x = 394,378,035,338,713,600/620,636,201.44 - Step 6: Final answer
x = 635,441,558.88
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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.