Finding the Fourth Proportional to 4,035,825,623.36, 5,569,436,896.80 and 2,181,529,559.36
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Solution
The fourth proportional to 4,035,825,623.36, 5,569,436,896.80 and 2,181,529,559.36 is: 3,010,509,460.33
Step by Step Solution
- Step 1: Write the proportion equation
4,035,825,623.36 : 5,569,436,896.80 = 2,181,529,559.36 : x - Step 2: Convert to fraction form
4,035,825,623.36/5,569,436,896.80 = 2,181,529,559.36/x - Step 3: Cross multiply
4,035,825,623.36x = 5,569,436,896.80 × 2,181,529,559.36 - Step 4: Simplify right side
4,035,825,623.36x = 12,149,891,219,359,430,656 - Step 5: Solve for x
x = 12,149,891,219,359,430,656/4,035,825,623.36 - Step 6: Final answer
x = 3,010,509,460.33
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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.