Finding the Fourth Proportional to 1,450,327,676.80, 2,001,389,609.28 and 823,794,154.24
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Solution
The fourth proportional to 1,450,327,676.80, 2,001,389,609.28 and 823,794,154.24 is: 1,136,800,384.39
Step by Step Solution
- Step 1: Write the proportion equation
1,450,327,676.80 : 2,001,389,609.28 = 823,794,154.24 : x - Step 2: Convert to fraction form
1,450,327,676.80/2,001,389,609.28 = 823,794,154.24/x - Step 3: Cross multiply
1,450,327,676.80x = 2,001,389,609.28 × 823,794,154.24 - Step 4: Simplify right side
1,450,327,676.80x = 1,648,733,060,481,541,632 - Step 5: Solve for x
x = 1,648,733,060,481,541,632/1,450,327,676.80 - Step 6: Final answer
x = 1,136,800,384.39
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1.5x scale
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.