Finding the Fourth Proportional to 3,969,240,704.21, 5,954,025,368.36 and 1,171,209,192.50
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Solution
The fourth proportional to 3,969,240,704.21, 5,954,025,368.36 and 1,171,209,192.50 is: 1,756,862,272.53
Step by Step Solution
- Step 1: Write the proportion equation
3,969,240,704.21 : 5,954,025,368.36 = 1,171,209,192.50 : x - Step 2: Convert to fraction form
3,969,240,704.21/5,954,025,368.36 = 1,171,209,192.50/x - Step 3: Cross multiply
3,969,240,704.21x = 5,954,025,368.36 × 1,171,209,192.50 - Step 4: Simplify right side
3,969,240,704.21x = 6,973,409,243,819,244,544 - Step 5: Solve for x
x = 6,973,409,243,819,244,544/3,969,240,704.21 - Step 6: Final answer
x = 1,756,862,272.53
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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.