Finding the Fourth Proportional to 1,588,762,537.92, 2,192,512,470.49 and 874,380,343.25
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Solution
The fourth proportional to 1,588,762,537.92, 2,192,512,470.49 and 874,380,343.25 is: 1,206,655,973.30
Step by Step Solution
- Step 1: Write the proportion equation
1,588,762,537.92 : 2,192,512,470.49 = 874,380,343.25 : x - Step 2: Convert to fraction form
1,588,762,537.92/2,192,512,470.49 = 874,380,343.25/x - Step 3: Cross multiply
1,588,762,537.92x = 2,192,512,470.49 × 874,380,343.25 - Step 4: Simplify right side
1,588,762,537.92x = 1,917,089,806,533,569,792 - Step 5: Solve for x
x = 1,917,089,806,533,569,792/1,588,762,537.92 - Step 6: Final answer
x = 1,206,655,973.30
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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.