Finding the Fourth Proportional to 5,242,516,397.02, 7,234,672,351.20 and 2,831,198,657.29
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Solution
The fourth proportional to 5,242,516,397.02, 7,234,672,351.20 and 2,831,198,657.29 is: 3,907,053,997.64
Step by Step Solution
- Step 1: Write the proportion equation
5,242,516,397.02 : 7,234,672,351.20 = 2,831,198,657.29 : x - Step 2: Convert to fraction form
5,242,516,397.02/7,234,672,351.20 = 2,831,198,657.29/x - Step 3: Cross multiply
5,242,516,397.02x = 7,234,672,351.20 × 2,831,198,657.29 - Step 4: Simplify right side
5,242,516,397.02x = 20,482,794,646,678,650,880 - Step 5: Solve for x
x = 20,482,794,646,678,650,880/5,242,516,397.02 - Step 6: Final answer
x = 3,907,053,997.64
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1.5x scale
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.