Finding the Fourth Proportional to 296,192,495.81, 408,548,831.05 and 190,479,563.02
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Solution
The fourth proportional to 296,192,495.81, 408,548,831.05 and 190,479,563.02 is: 262,735,227.64
Step by Step Solution
- Step 1: Write the proportion equation
296,192,495.81 : 408,548,831.05 = 190,479,563.02 : x - Step 2: Convert to fraction form
296,192,495.81/408,548,831.05 = 190,479,563.02/x - Step 3: Cross multiply
296,192,495.81x = 408,548,831.05 × 190,479,563.02 - Step 4: Simplify right side
296,192,495.81x = 77,820,202,811,484,592 - Step 5: Solve for x
x = 77,820,202,811,484,592/296,192,495.81 - Step 6: Final answer
x = 262,735,227.64
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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.