Finding the Fourth Proportional to 2,728,141,423.74, 3,764,813,234.40 and 1,583,813,709.09
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Solution
The fourth proportional to 2,728,141,423.74, 3,764,813,234.40 and 1,583,813,709.09 is: 2,185,650,186.94
Step by Step Solution
- Step 1: Write the proportion equation
2,728,141,423.74 : 3,764,813,234.40 = 1,583,813,709.09 : x - Step 2: Convert to fraction form
2,728,141,423.74/3,764,813,234.40 = 1,583,813,709.09/x - Step 3: Cross multiply
2,728,141,423.74x = 3,764,813,234.40 × 1,583,813,709.09 - Step 4: Simplify right side
2,728,141,423.74x = 5,962,762,812,806,182,912 - Step 5: Solve for x
x = 5,962,762,812,806,182,912/2,728,141,423.74 - Step 6: Final answer
x = 2,185,650,186.94
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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.