Finding the Fourth Proportional to 3,421,155,120.96, 4,721,193,874.24 and 1,856,592,816.96
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Solution
The fourth proportional to 3,421,155,120.96, 4,721,193,874.24 and 1,856,592,816.96 is: 2,562,097,982.84
Step by Step Solution
- Step 1: Write the proportion equation
3,421,155,120.96 : 4,721,193,874.24 = 1,856,592,816.96 : x - Step 2: Convert to fraction form
3,421,155,120.96/4,721,193,874.24 = 1,856,592,816.96/x - Step 3: Cross multiply
3,421,155,120.96x = 4,721,193,874.24 × 1,856,592,816.96 - Step 4: Simplify right side
3,421,155,120.96x = 8,765,334,634,389,537,792 - Step 5: Solve for x
x = 8,765,334,634,389,537,792/3,421,155,120.96 - Step 6: Final answer
x = 2,562,097,982.84
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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.