Finding the Fourth Proportional to 1,180,287,877.24, 1,770,310,491.69 and 393,256,524.79
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Solution
The fourth proportional to 1,180,287,877.24, 1,770,310,491.69 and 393,256,524.79 is: 589,844,363.55
Step by Step Solution
- Step 1: Write the proportion equation
1,180,287,877.24 : 1,770,310,491.69 = 393,256,524.79 : x - Step 2: Convert to fraction form
1,180,287,877.24/1,770,310,491.69 = 393,256,524.79/x - Step 3: Cross multiply
1,180,287,877.24x = 1,770,310,491.69 × 393,256,524.79 - Step 4: Simplify right side
1,180,287,877.24x = 696,186,151,761,285,632 - Step 5: Solve for x
x = 696,186,151,761,285,632/1,180,287,877.24 - Step 6: Final answer
x = 589,844,363.55
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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.