Finding the Fourth Proportional to 4,457,704,378.24, 6,688,389,450.36 and 1,969,251,972.40
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Solution
The fourth proportional to 4,457,704,378.24, 6,688,389,450.36 and 1,969,251,972.40 is: 2,954,687,659.77
Step by Step Solution
- Step 1: Write the proportion equation
4,457,704,378.24 : 6,688,389,450.36 = 1,969,251,972.40 : x - Step 2: Convert to fraction form
4,457,704,378.24/6,688,389,450.36 = 1,969,251,972.40/x - Step 3: Cross multiply
4,457,704,378.24x = 6,688,389,450.36 × 1,969,251,972.40 - Step 4: Simplify right side
4,457,704,378.24x = 13,171,124,117,279,504,384 - Step 5: Solve for x
x = 13,171,124,117,279,504,384/4,457,704,378.24 - Step 6: Final answer
x = 2,954,687,659.77
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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.