Finding the Fourth Proportional to 1,082,693,611.10, 1,624,390,170.86 and 500,809,560.05
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Solution
The fourth proportional to 1,082,693,611.10, 1,624,390,170.86 and 500,809,560.05 is: 751,376,121.99
Step by Step Solution
- Step 1: Write the proportion equation
1,082,693,611.10 : 1,624,390,170.86 = 500,809,560.05 : x - Step 2: Convert to fraction form
1,082,693,611.10/1,624,390,170.86 = 500,809,560.05/x - Step 3: Cross multiply
1,082,693,611.10x = 1,624,390,170.86 × 500,809,560.05 - Step 4: Simplify right side
1,082,693,611.10x = 813,510,126,811,070,976 - Step 5: Solve for x
x = 813,510,126,811,070,976/1,082,693,611.10 - Step 6: Final answer
x = 751,376,121.99
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1.5x scale
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.