Finding the Fourth Proportional to 1,135,949,847.20, 1,703,924,770.80 and 1,013,505,840.80
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Solution
The fourth proportional to 1,135,949,847.20, 1,703,924,770.80 and 1,013,505,840.80 is: 1,520,258,761.20
Step by Step Solution
- Step 1: Write the proportion equation
1,135,949,847.20 : 1,703,924,770.80 = 1,013,505,840.80 : x - Step 2: Convert to fraction form
1,135,949,847.20/1,703,924,770.80 = 1,013,505,840.80/x - Step 3: Cross multiply
1,135,949,847.20x = 1,703,924,770.80 × 1,013,505,840.80 - Step 4: Simplify right side
1,135,949,847.20x = 1,726,937,707,489,601,280 - Step 5: Solve for x
x = 1,726,937,707,489,601,280/1,135,949,847.20 - Step 6: Final answer
x = 1,520,258,761.20
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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.