Finding the Fourth Proportional to 1,137,586,324.96, 1,704,881,256.56 and 481,725,809.44
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Solution
The fourth proportional to 1,137,586,324.96, 1,704,881,256.56 and 481,725,809.44 is: 721,954,268.70
Step by Step Solution
- Step 1: Write the proportion equation
1,137,586,324.96 : 1,704,881,256.56 = 481,725,809.44 : x - Step 2: Convert to fraction form
1,137,586,324.96/1,704,881,256.56 = 481,725,809.44/x - Step 3: Cross multiply
1,137,586,324.96x = 1,704,881,256.56 × 481,725,809.44 - Step 4: Simplify right side
1,137,586,324.96x = 821,285,303,315,450,240 - Step 5: Solve for x
x = 821,285,303,315,450,240/1,137,586,324.96 - Step 6: Final answer
x = 721,954,268.70
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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.