Finding the Fourth Proportional to 5,242,516,350.86, 7,234,672,287.50 and 2,831,198,611.17
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Solution
The fourth proportional to 5,242,516,350.86, 7,234,672,287.50 and 2,831,198,611.17 is: 3,907,053,933.99
Step by Step Solution
- Step 1: Write the proportion equation
5,242,516,350.86 : 7,234,672,287.50 = 2,831,198,611.17 : x - Step 2: Convert to fraction form
5,242,516,350.86/7,234,672,287.50 = 2,831,198,611.17/x - Step 3: Cross multiply
5,242,516,350.86x = 7,234,672,287.50 × 2,831,198,611.17 - Step 4: Simplify right side
5,242,516,350.86x = 20,482,794,132,655,529,984 - Step 5: Solve for x
x = 20,482,794,132,655,529,984/5,242,516,350.86 - Step 6: Final answer
x = 3,907,053,933.99
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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.