Finding the Fourth Proportional to 7,296,224,438.88, 10,068,804,562.32 and 3,954,724,984.80
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Solution
The fourth proportional to 7,296,224,438.88, 10,068,804,562.32 and 3,954,724,984.80 is: 5,457,528,520.85
Step by Step Solution
- Step 1: Write the proportion equation
7,296,224,438.88 : 10,068,804,562.32 = 3,954,724,984.80 : x - Step 2: Convert to fraction form
7,296,224,438.88/10,068,804,562.32 = 3,954,724,984.80/x - Step 3: Cross multiply
7,296,224,438.88x = 10,068,804,562.32 × 3,954,724,984.80 - Step 4: Simplify right side
7,296,224,438.88x = 39,819,352,969,675,137,024 - Step 5: Solve for x
x = 39,819,352,969,675,137,024/7,296,224,438.88 - Step 6: Final answer
x = 5,457,528,520.85
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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.