Finding the Fourth Proportional to 821,351,033.52, 1,232,028,650.52 and 207,935,324.88
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Solution
The fourth proportional to 821,351,033.52, 1,232,028,650.52 and 207,935,324.88 is: 311,903,519.02
Step by Step Solution
- Step 1: Write the proportion equation
821,351,033.52 : 1,232,028,650.52 = 207,935,324.88 : x - Step 2: Convert to fraction form
821,351,033.52/1,232,028,650.52 = 207,935,324.88/x - Step 3: Cross multiply
821,351,033.52x = 1,232,028,650.52 × 207,935,324.88 - Step 4: Simplify right side
821,351,033.52x = 256,182,277,707,344,160 - Step 5: Solve for x
x = 256,182,277,707,344,160/821,351,033.52 - Step 6: Final answer
x = 311,903,519.02
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1.5x scale
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.