Finding the Fourth Proportional to 770,954,090.24, 1,156,431,106.20 and 225,695,624.24
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Solution
The fourth proportional to 770,954,090.24, 1,156,431,106.20 and 225,695,624.24 is: 338,543,427.82
Step by Step Solution
- Step 1: Write the proportion equation
770,954,090.24 : 1,156,431,106.20 = 225,695,624.24 : x - Step 2: Convert to fraction form
770,954,090.24/1,156,431,106.20 = 225,695,624.24/x - Step 3: Cross multiply
770,954,090.24x = 1,156,431,106.20 × 225,695,624.24 - Step 4: Simplify right side
770,954,090.24x = 261,001,440,404,362,752 - Step 5: Solve for x
x = 261,001,440,404,362,752/770,954,090.24 - Step 6: Final answer
x = 338,543,427.82
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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.