Finding the Fourth Proportional to 756,647,676.06, 1,043,246,120.96 and 622,215,800.02
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Solution
The fourth proportional to 756,647,676.06, 1,043,246,120.96 and 622,215,800.02 is: 857,894,949.40
Step by Step Solution
- Step 1: Write the proportion equation
756,647,676.06 : 1,043,246,120.96 = 622,215,800.02 : x - Step 2: Convert to fraction form
756,647,676.06/1,043,246,120.96 = 622,215,800.02/x - Step 3: Cross multiply
756,647,676.06x = 1,043,246,120.96 × 622,215,800.02 - Step 4: Simplify right side
756,647,676.06x = 649,124,219,770,888,064 - Step 5: Solve for x
x = 649,124,219,770,888,064/756,647,676.06 - Step 6: Final answer
x = 857,894,949.40
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1.5x scale
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.