Finding the Fourth Proportional to 1,673,587,456.17, 2,309,481,336.33 and 910,634,676.24
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Solution
The fourth proportional to 1,673,587,456.17, 2,309,481,336.33 and 910,634,676.24 is: 1,256,638,116.66
Step by Step Solution
- Step 1: Write the proportion equation
1,673,587,456.17 : 2,309,481,336.33 = 910,634,676.24 : x - Step 2: Convert to fraction form
1,673,587,456.17/2,309,481,336.33 = 910,634,676.24/x - Step 3: Cross multiply
1,673,587,456.17x = 2,309,481,336.33 × 910,634,676.24 - Step 4: Simplify right side
1,673,587,456.17x = 2,103,093,788,991,192,064 - Step 5: Solve for x
x = 2,103,093,788,991,192,064/1,673,587,456.17 - Step 6: Final answer
x = 1,256,638,116.66
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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.