Finding the Fourth Proportional to 1,081,192,630.44, 1,493,277,545.70 and 732,907,456.68
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Solution
The fourth proportional to 1,081,192,630.44, 1,493,277,545.70 and 732,907,456.68 is: 1,012,247,232.66
Step by Step Solution
- Step 1: Write the proportion equation
1,081,192,630.44 : 1,493,277,545.70 = 732,907,456.68 : x - Step 2: Convert to fraction form
1,081,192,630.44/1,493,277,545.70 = 732,907,456.68/x - Step 3: Cross multiply
1,081,192,630.44x = 1,493,277,545.70 × 732,907,456.68 - Step 4: Simplify right side
1,081,192,630.44x = 1,094,434,248,136,339,456 - Step 5: Solve for x
x = 1,094,434,248,136,339,456/1,081,192,630.44 - Step 6: Final answer
x = 1,012,247,232.66
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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.