Finding the Fourth Proportional to 1,266,384,930.26, 1,747,611,371.84 and 701,906,215.91
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Solution
The fourth proportional to 1,266,384,930.26, 1,747,611,371.84 and 701,906,215.91 is: 968,630,671.11
Step by Step Solution
- Step 1: Write the proportion equation
1,266,384,930.26 : 1,747,611,371.84 = 701,906,215.91 : x - Step 2: Convert to fraction form
1,266,384,930.26/1,747,611,371.84 = 701,906,215.91/x - Step 3: Cross multiply
1,266,384,930.26x = 1,747,611,371.84 × 701,906,215.91 - Step 4: Simplify right side
1,266,384,930.26x = 1,226,659,284,877,250,816 - Step 5: Solve for x
x = 1,226,659,284,877,250,816/1,266,384,930.26 - Step 6: Final answer
x = 968,630,671.11
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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.