Finding the Fourth Proportional to 266,112,201.80, 399,168,302.70 and 266,112,201.80
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Solution
The fourth proportional to 266,112,201.80, 399,168,302.70 and 266,112,201.80 is: 399,168,302.70
Step by Step Solution
- Step 1: Write the proportion equation
266,112,201.80 : 399,168,302.70 = 266,112,201.80 : x - Step 2: Convert to fraction form
266,112,201.80/399,168,302.70 = 266,112,201.80/x - Step 3: Cross multiply
266,112,201.80x = 399,168,302.70 × 266,112,201.80 - Step 4: Simplify right side
266,112,201.80x = 106,223,555,920,265,888 - Step 5: Solve for x
x = 106,223,555,920,265,888/266,112,201.80 - Step 6: Final answer
x = 399,168,302.70
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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.