Finding the Fourth Proportional to 5,972,401,356.81, 8,959,782,187.71 and 2,190,828,811.87
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Solution
The fourth proportional to 5,972,401,356.81, 8,959,782,187.71 and 2,190,828,811.87 is: 3,286,676,127.77
Step by Step Solution
- Step 1: Write the proportion equation
5,972,401,356.81 : 8,959,782,187.71 = 2,190,828,811.87 : x - Step 2: Convert to fraction form
5,972,401,356.81/8,959,782,187.71 = 2,190,828,811.87/x - Step 3: Cross multiply
5,972,401,356.81x = 8,959,782,187.71 × 2,190,828,811.87 - Step 4: Simplify right side
5,972,401,356.81x = 19,629,348,964,914,683,904 - Step 5: Solve for x
x = 19,629,348,964,914,683,904/5,972,401,356.81 - Step 6: Final answer
x = 3,286,676,127.77
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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.