Finding the Fourth Proportional to 524,588,439.63, 786,920,450.80 and 201,472,311.63
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Solution
The fourth proportional to 524,588,439.63, 786,920,450.80 and 201,472,311.63 is: 302,222,981.51
Step by Step Solution
- Step 1: Write the proportion equation
524,588,439.63 : 786,920,450.80 = 201,472,311.63 : x - Step 2: Convert to fraction form
524,588,439.63/786,920,450.80 = 201,472,311.63/x - Step 3: Cross multiply
524,588,439.63x = 786,920,450.80 × 201,472,311.63 - Step 4: Simplify right side
524,588,439.63x = 158,542,682,291,597,664 - Step 5: Solve for x
x = 158,542,682,291,597,664/524,588,439.63 - Step 6: Final answer
x = 302,222,981.51
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1.5x scale
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.