Finding the Fourth Proportional to 698,893,176.22, 964,492,770.36 and 385,647,562.42
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Solution
The fourth proportional to 698,893,176.22, 964,492,770.36 and 385,647,562.42 is: 532,204,775.37
Step by Step Solution
- Step 1: Write the proportion equation
698,893,176.22 : 964,492,770.36 = 385,647,562.42 : x - Step 2: Convert to fraction form
698,893,176.22/964,492,770.36 = 385,647,562.42/x - Step 3: Cross multiply
698,893,176.22x = 964,492,770.36 × 385,647,562.42 - Step 4: Simplify right side
698,893,176.22x = 371,954,285,861,046,848 - Step 5: Solve for x
x = 371,954,285,861,046,848/698,893,176.22 - Step 6: Final answer
x = 532,204,775.37
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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.