Finding the Fourth Proportional to 3,310,428,933.18, 4,569,498,943.83 and 1,972,738,496.88
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Solution
The fourth proportional to 3,310,428,933.18, 4,569,498,943.83 and 1,972,738,496.88 is: 2,723,038,814.58
Step by Step Solution
- Step 1: Write the proportion equation
3,310,428,933.18 : 4,569,498,943.83 = 1,972,738,496.88 : x - Step 2: Convert to fraction form
3,310,428,933.18/4,569,498,943.83 = 1,972,738,496.88/x - Step 3: Cross multiply
3,310,428,933.18x = 4,569,498,943.83 × 1,972,738,496.88 - Step 4: Simplify right side
3,310,428,933.18x = 9,014,426,477,945,942,016 - Step 5: Solve for x
x = 9,014,426,477,945,942,016/3,310,428,933.18 - Step 6: Final answer
x = 2,723,038,814.58
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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.