Finding the Fourth Proportional to 3,840,125,363.29, 5,760,190,270.21 and 1,079,754,379.17
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Solution
The fourth proportional to 3,840,125,363.29, 5,760,190,270.21 and 1,079,754,379.17 is: 1,619,632,194.45
Step by Step Solution
- Step 1: Write the proportion equation
3,840,125,363.29 : 5,760,190,270.21 = 1,079,754,379.17 : x - Step 2: Convert to fraction form
3,840,125,363.29/5,760,190,270.21 = 1,079,754,379.17/x - Step 3: Cross multiply
3,840,125,363.29x = 5,760,190,270.21 × 1,079,754,379.17 - Step 4: Simplify right side
3,840,125,363.29x = 6,219,590,669,111,673,856 - Step 5: Solve for x
x = 6,219,590,669,111,673,856/3,840,125,363.29 - Step 6: Final answer
x = 1,619,632,194.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.