Finding the Fourth Proportional to 315,765,954.91, 435,734,896.53 and 183,597,574.69
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Solution
The fourth proportional to 315,765,954.91, 435,734,896.53 and 183,597,574.69 is: 253,351,790.99
Step by Step Solution
- Step 1: Write the proportion equation
315,765,954.91 : 435,734,896.53 = 183,597,574.69 : x - Step 2: Convert to fraction form
315,765,954.91/435,734,896.53 = 183,597,574.69/x - Step 3: Cross multiply
315,765,954.91x = 435,734,896.53 × 183,597,574.69 - Step 4: Simplify right side
315,765,954.91x = 79,999,870,210,706,096 - Step 5: Solve for x
x = 79,999,870,210,706,096/315,765,954.91 - Step 6: Final answer
x = 253,351,790.99
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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.