Finding the Fourth Proportional to 7,469,790,700.76, 11,197,790,825.57 and 3,735,832,869.21
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Solution
The fourth proportional to 7,469,790,700.76, 11,197,790,825.57 and 3,735,832,869.21 is: 5,600,300,825.62
Step by Step Solution
- Step 1: Write the proportion equation
7,469,790,700.76 : 11,197,790,825.57 = 3,735,832,869.21 : x - Step 2: Convert to fraction form
7,469,790,700.76/11,197,790,825.57 = 3,735,832,869.21/x - Step 3: Cross multiply
7,469,790,700.76x = 11,197,790,825.57 × 3,735,832,869.21 - Step 4: Simplify right side
7,469,790,700.76x = 41,833,075,028,683,907,072 - Step 5: Solve for x
x = 41,833,075,028,683,907,072/7,469,790,700.76 - Step 6: Final answer
x = 5,600,300,825.62
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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.