Finding the Fourth Proportional to 20,028,606,244.02, 27,639,531,005.36 and 10,996,949,340.99
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Solution
The fourth proportional to 20,028,606,244.02, 27,639,531,005.36 and 10,996,949,340.99 is: 15,175,819,953.29
Step by Step Solution
- Step 1: Write the proportion equation
20,028,606,244.02 : 27,639,531,005.36 = 10,996,949,340.99 : x - Step 2: Convert to fraction form
20,028,606,244.02/27,639,531,005.36 = 10,996,949,340.99/x - Step 3: Cross multiply
20,028,606,244.02x = 27,639,531,005.36 × 10,996,949,340.99 - Step 4: Simplify right side
20,028,606,244.02x = 303,950,522,274,611,331,072 - Step 5: Solve for x
x = 303,950,522,274,611,331,072/20,028,606,244.02 - Step 6: Final answer
x = 15,175,819,953.29
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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.