Finding the Fourth Proportional to 1,537,937,704.82, 2,122,310,171.03 and 902,847,984.18
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Solution
The fourth proportional to 1,537,937,704.82, 2,122,310,171.03 and 902,847,984.18 is: 1,245,904,469.16
Step by Step Solution
- Step 1: Write the proportion equation
1,537,937,704.82 : 2,122,310,171.03 = 902,847,984.18 : x - Step 2: Convert to fraction form
1,537,937,704.82/2,122,310,171.03 = 902,847,984.18/x - Step 3: Cross multiply
1,537,937,704.82x = 2,122,310,171.03 × 902,847,984.18 - Step 4: Simplify right side
1,537,937,704.82x = 1,916,123,459,714,632,192 - Step 5: Solve for x
x = 1,916,123,459,714,632,192/1,537,937,704.82 - Step 6: Final answer
x = 1,245,904,469.16
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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.