Finding the Fourth Proportional to 856,313,170.88, 1,284,360,187.56 and 273,998,701.76
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Solution
The fourth proportional to 856,313,170.88, 1,284,360,187.56 and 273,998,701.76 is: 410,962,993.39
Step by Step Solution
- Step 1: Write the proportion equation
856,313,170.88 : 1,284,360,187.56 = 273,998,701.76 : x - Step 2: Convert to fraction form
856,313,170.88/1,284,360,187.56 = 273,998,701.76/x - Step 3: Cross multiply
856,313,170.88x = 1,284,360,187.56 × 273,998,701.76 - Step 4: Simplify right side
856,313,170.88x = 351,913,023,983,670,080 - Step 5: Solve for x
x = 351,913,023,983,670,080/856,313,170.88 - Step 6: Final answer
x = 410,962,993.39
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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.