Finding the Fourth Proportional to 5,616,289,658.40, 8,424,434,487.60 and 3,983,702,906.40
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Solution
The fourth proportional to 5,616,289,658.40, 8,424,434,487.60 and 3,983,702,906.40 is: 5,975,554,359.60
Step by Step Solution
- Step 1: Write the proportion equation
5,616,289,658.40 : 8,424,434,487.60 = 3,983,702,906.40 : x - Step 2: Convert to fraction form
5,616,289,658.40/8,424,434,487.60 = 3,983,702,906.40/x - Step 3: Cross multiply
5,616,289,658.40x = 8,424,434,487.60 × 3,983,702,906.40 - Step 4: Simplify right side
5,616,289,658.40x = 33,560,444,153,028,517,888 - Step 5: Solve for x
x = 33,560,444,153,028,517,888/5,616,289,658.40 - Step 6: Final answer
x = 5,975,554,359.60
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Double scale
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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.