Finding the Fourth Proportional to 1,587,870,192.97, 2,381,491,406.58 and 1,509,124,587.09
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Solution
The fourth proportional to 1,587,870,192.97, 2,381,491,406.58 and 1,509,124,587.09 is: 2,263,388,563.83
Step by Step Solution
- Step 1: Write the proportion equation
1,587,870,192.97 : 2,381,491,406.58 = 1,509,124,587.09 : x - Step 2: Convert to fraction form
1,587,870,192.97/2,381,491,406.58 = 1,509,124,587.09/x - Step 3: Cross multiply
1,587,870,192.97x = 2,381,491,406.58 × 1,509,124,587.09 - Step 4: Simplify right side
1,587,870,192.97x = 3,593,967,235,611,977,728 - Step 5: Solve for x
x = 3,593,967,235,611,977,728/1,587,870,192.97 - Step 6: Final answer
x = 2,263,388,563.83
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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.