Finding the Fourth Proportional to 1,944,137,743.76, 2,682,621,476.42 and 1,180,784,579.13
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Solution
The fourth proportional to 1,944,137,743.76, 2,682,621,476.42 and 1,180,784,579.13 is: 1,629,307,430.07
Step by Step Solution
- Step 1: Write the proportion equation
1,944,137,743.76 : 2,682,621,476.42 = 1,180,784,579.13 : x - Step 2: Convert to fraction form
1,944,137,743.76/2,682,621,476.42 = 1,180,784,579.13/x - Step 3: Cross multiply
1,944,137,743.76x = 2,682,621,476.42 × 1,180,784,579.13 - Step 4: Simplify right side
1,944,137,743.76x = 3,167,598,070,993,785,344 - Step 5: Solve for x
x = 3,167,598,070,993,785,344/1,944,137,743.76 - Step 6: Final answer
x = 1,629,307,430.07
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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.