Finding the Fourth Proportional to 7,172,033,187.52, 10,735,984,907.40 and 4,679,527,133.44
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Solution
The fourth proportional to 7,172,033,187.52, 10,735,984,907.40 and 4,679,527,133.44 is: 7,004,894,060.70
Step by Step Solution
- Step 1: Write the proportion equation
7,172,033,187.52 : 10,735,984,907.40 = 4,679,527,133.44 : x - Step 2: Convert to fraction form
7,172,033,187.52/10,735,984,907.40 = 4,679,527,133.44/x - Step 3: Cross multiply
7,172,033,187.52x = 10,735,984,907.40 × 4,679,527,133.44 - Step 4: Simplify right side
7,172,033,187.52x = 50,239,332,678,380,617,728 - Step 5: Solve for x
x = 50,239,332,678,380,617,728/7,172,033,187.52 - Step 6: Final answer
x = 7,004,894,060.70
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1.5x scale
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.