Finding the Fourth Proportional to 703,923,486.44, 1,055,885,231.30 and 375,403,707.92
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Solution
The fourth proportional to 703,923,486.44, 1,055,885,231.30 and 375,403,707.92 is: 563,105,562.75
Step by Step Solution
- Step 1: Write the proportion equation
703,923,486.44 : 1,055,885,231.30 = 375,403,707.92 : x - Step 2: Convert to fraction form
703,923,486.44/1,055,885,231.30 = 375,403,707.92/x - Step 3: Cross multiply
703,923,486.44x = 1,055,885,231.30 × 375,403,707.92 - Step 4: Simplify right side
703,923,486.44x = 396,383,230,967,986,816 - Step 5: Solve for x
x = 396,383,230,967,986,816/703,923,486.44 - Step 6: Final answer
x = 563,105,562.75
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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.