Finding the Fourth Proportional to 3,497,505,722.30, 5,248,274,122.65 and 1,318,036,000.70
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Solution
The fourth proportional to 3,497,505,722.30, 5,248,274,122.65 and 1,318,036,000.70 is: 1,977,813,557.56
Step by Step Solution
- Step 1: Write the proportion equation
3,497,505,722.30 : 5,248,274,122.65 = 1,318,036,000.70 : x - Step 2: Convert to fraction form
3,497,505,722.30/5,248,274,122.65 = 1,318,036,000.70/x - Step 3: Cross multiply
3,497,505,722.30x = 5,248,274,122.65 × 1,318,036,000.70 - Step 4: Simplify right side
3,497,505,722.30x = 6,917,414,235,194,906,624 - Step 5: Solve for x
x = 6,917,414,235,194,906,624/3,497,505,722.30 - Step 6: Final answer
x = 1,977,813,557.56
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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.