Finding the Fourth Proportional to 775,982,278.44, 1,163,962,454.22 and 361,227,121.74
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Solution
The fourth proportional to 775,982,278.44, 1,163,962,454.22 and 361,227,121.74 is: 541,835,579.02
Step by Step Solution
- Step 1: Write the proportion equation
775,982,278.44 : 1,163,962,454.22 = 361,227,121.74 : x - Step 2: Convert to fraction form
775,982,278.44/1,163,962,454.22 = 361,227,121.74/x - Step 3: Cross multiply
775,982,278.44x = 1,163,962,454.22 × 361,227,121.74 - Step 4: Simplify right side
775,982,278.44x = 420,454,807,151,317,120 - Step 5: Solve for x
x = 420,454,807,151,317,120/775,982,278.44 - Step 6: Final answer
x = 541,835,579.02
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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.