Finding the Fourth Proportional to 1,942,068,090.20, 2,913,102,135.30 and 1,717,587,411.80
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Solution
The fourth proportional to 1,942,068,090.20, 2,913,102,135.30 and 1,717,587,411.80 is: 2,576,381,117.70
Step by Step Solution
- Step 1: Write the proportion equation
1,942,068,090.20 : 2,913,102,135.30 = 1,717,587,411.80 : x - Step 2: Convert to fraction form
1,942,068,090.20/2,913,102,135.30 = 1,717,587,411.80/x - Step 3: Cross multiply
1,942,068,090.20x = 2,913,102,135.30 × 1,717,587,411.80 - Step 4: Simplify right side
1,942,068,090.20x = 5,003,507,556,878,980,096 - Step 5: Solve for x
x = 5,003,507,556,878,980,096/1,942,068,090.20 - Step 6: Final answer
x = 2,576,381,117.70
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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.