Finding the Fourth Proportional to 376,582,786.84, 519,670,991.16 and 207,035,790.16
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Solution
The fourth proportional to 376,582,786.84, 519,670,991.16 and 207,035,790.16 is: 285,702,103.33
Step by Step Solution
- Step 1: Write the proportion equation
376,582,786.84 : 519,670,991.16 = 207,035,790.16 : x - Step 2: Convert to fraction form
376,582,786.84/519,670,991.16 = 207,035,790.16/x - Step 3: Cross multiply
376,582,786.84x = 519,670,991.16 × 207,035,790.16 - Step 4: Simplify right side
376,582,786.84x = 107,590,494,278,040,976 - Step 5: Solve for x
x = 107,590,494,278,040,976/376,582,786.84 - Step 6: Final answer
x = 285,702,103.33
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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.