Finding the Fourth Proportional to 751,120,660.56, 1,125,885,797.62 and 252,656,646.24
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Solution
The fourth proportional to 751,120,660.56, 1,125,885,797.62 and 252,656,646.24 is: 378,717,487.90
Step by Step Solution
- Step 1: Write the proportion equation
751,120,660.56 : 1,125,885,797.62 = 252,656,646.24 : x - Step 2: Convert to fraction form
751,120,660.56/1,125,885,797.62 = 252,656,646.24/x - Step 3: Cross multiply
751,120,660.56x = 1,125,885,797.62 × 252,656,646.24 - Step 4: Simplify right side
751,120,660.56x = 284,462,529,675,916,544 - Step 5: Solve for x
x = 284,462,529,675,916,544/751,120,660.56 - Step 6: Final answer
x = 378,717,487.90
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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.