Finding the Fourth Proportional to 1,425,220,403.49, 1,966,105,242.41 and 1,236,784,218.84
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Solution
The fourth proportional to 1,425,220,403.49, 1,966,105,242.41 and 1,236,784,218.84 is: 1,706,155,714.88
Step by Step Solution
- Step 1: Write the proportion equation
1,425,220,403.49 : 1,966,105,242.41 = 1,236,784,218.84 : x - Step 2: Convert to fraction form
1,425,220,403.49/1,966,105,242.41 = 1,236,784,218.84/x - Step 3: Cross multiply
1,425,220,403.49x = 1,966,105,242.41 × 1,236,784,218.84 - Step 4: Simplify right side
1,425,220,403.49x = 2,431,647,936,385,096,704 - Step 5: Solve for x
x = 2,431,647,936,385,096,704/1,425,220,403.49 - Step 6: Final answer
x = 1,706,155,714.88
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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.