Finding the Fourth Proportional to 255,533,152.20, 383,299,728.30 and 153,244,537.80
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Solution
The fourth proportional to 255,533,152.20, 383,299,728.30 and 153,244,537.80 is: 229,866,806.70
Step by Step Solution
- Step 1: Write the proportion equation
255,533,152.20 : 383,299,728.30 = 153,244,537.80 : x - Step 2: Convert to fraction form
255,533,152.20/383,299,728.30 = 153,244,537.80/x - Step 3: Cross multiply
255,533,152.20x = 383,299,728.30 × 153,244,537.80 - Step 4: Simplify right side
255,533,152.20x = 58,738,589,702,199,088 - Step 5: Solve for x
x = 58,738,589,702,199,088/255,533,152.20 - Step 6: Final answer
x = 229,866,806.70
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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.