Finding the Fourth Proportional to 7,382,365,768.82, 11,072,614,599.20 and 2,340,270,831.06
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Solution
The fourth proportional to 7,382,365,768.82, 11,072,614,599.20 and 2,340,270,831.06 is: 3,510,110,143.76
Step by Step Solution
- Step 1: Write the proportion equation
7,382,365,768.82 : 11,072,614,599.20 = 2,340,270,831.06 : x - Step 2: Convert to fraction form
7,382,365,768.82/11,072,614,599.20 = 2,340,270,831.06/x - Step 3: Cross multiply
7,382,365,768.82x = 11,072,614,599.20 × 2,340,270,831.06 - Step 4: Simplify right side
7,382,365,768.82x = 25,912,916,970,065,170,432 - Step 5: Solve for x
x = 25,912,916,970,065,170,432/7,382,365,768.82 - Step 6: Final answer
x = 3,510,110,143.76
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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.