Finding the Fourth Proportional to 345,697,178.36, 477,033,266.81 and 194,981,528.70
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Solution
The fourth proportional to 345,697,178.36, 477,033,266.81 and 194,981,528.70 is: 269,058,243.54
Step by Step Solution
- Step 1: Write the proportion equation
345,697,178.36 : 477,033,266.81 = 194,981,528.70 : x - Step 2: Convert to fraction form
345,697,178.36/477,033,266.81 = 194,981,528.70/x - Step 3: Cross multiply
345,697,178.36x = 477,033,266.81 × 194,981,528.70 - Step 4: Simplify right side
345,697,178.36x = 93,012,675,603,856,224 - Step 5: Solve for x
x = 93,012,675,603,856,224/345,697,178.36 - Step 6: Final answer
x = 269,058,243.54
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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.