Finding the Fourth Proportional to 4,992,296,099.84, 6,889,585,179.99 and 2,764,628,288.09
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Solution
The fourth proportional to 4,992,296,099.84, 6,889,585,179.99 and 2,764,628,288.09 is: 3,815,306,965.15
Step by Step Solution
- Step 1: Write the proportion equation
4,992,296,099.84 : 6,889,585,179.99 = 2,764,628,288.09 : x - Step 2: Convert to fraction form
4,992,296,099.84/6,889,585,179.99 = 2,764,628,288.09/x - Step 3: Cross multiply
4,992,296,099.84x = 6,889,585,179.99 × 2,764,628,288.09 - Step 4: Simplify right side
4,992,296,099.84x = 19,047,142,081,792,163,840 - Step 5: Solve for x
x = 19,047,142,081,792,163,840/4,992,296,099.84 - Step 6: Final answer
x = 3,815,306,965.15
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1.5x scale
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.