Finding the Fourth Proportional to 2,188,243,576.09, 3,277,073,643.80 and 1,252,729,030.70
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Solution
The fourth proportional to 2,188,243,576.09, 3,277,073,643.80 and 1,252,729,030.70 is: 1,876,064,133.89
Step by Step Solution
- Step 1: Write the proportion equation
2,188,243,576.09 : 3,277,073,643.80 = 1,252,729,030.70 : x - Step 2: Convert to fraction form
2,188,243,576.09/3,277,073,643.80 = 1,252,729,030.70/x - Step 3: Cross multiply
2,188,243,576.09x = 3,277,073,643.80 × 1,252,729,030.70 - Step 4: Simplify right side
2,188,243,576.09x = 4,105,285,289,307,442,176 - Step 5: Solve for x
x = 4,105,285,289,307,442,176/2,188,243,576.09 - Step 6: Final answer
x = 1,876,064,133.89
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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.