Finding the Fourth Proportional to 751,118,442.96, 1,125,882,466.74 and 252,654,431.28
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Solution
The fourth proportional to 751,118,442.96, 1,125,882,466.74 and 252,654,431.28 is: 378,714,165.51
Step by Step Solution
- Step 1: Write the proportion equation
751,118,442.96 : 1,125,882,466.74 = 252,654,431.28 : x - Step 2: Convert to fraction form
751,118,442.96/1,125,882,466.74 = 252,654,431.28/x - Step 3: Cross multiply
751,118,442.96x = 1,125,882,466.74 × 252,654,431.28 - Step 4: Simplify right side
751,118,442.96x = 284,459,194,322,318,208 - Step 5: Solve for x
x = 284,459,194,322,318,208/751,118,442.96 - Step 6: Final answer
x = 378,714,165.51
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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.