Finding the Fourth Proportional to 1,425,220,402.73, 1,966,105,241.37 and 1,236,784,218.08
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Solution
The fourth proportional to 1,425,220,402.73, 1,966,105,241.37 and 1,236,784,218.08 is: 1,706,155,713.85
Step by Step Solution
- Step 1: Write the proportion equation
1,425,220,402.73 : 1,966,105,241.37 = 1,236,784,218.08 : x - Step 2: Convert to fraction form
1,425,220,402.73/1,966,105,241.37 = 1,236,784,218.08/x - Step 3: Cross multiply
1,425,220,402.73x = 1,966,105,241.37 × 1,236,784,218.08 - Step 4: Simplify right side
1,425,220,402.73x = 2,431,647,933,615,699,968 - Step 5: Solve for x
x = 2,431,647,933,615,699,968/1,425,220,402.73 - Step 6: Final answer
x = 1,706,155,713.85
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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.