Finding the Fourth Proportional to 1,144,118,250.40, 1,716,177,375.60 and 378,213,354.40
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Solution
The fourth proportional to 1,144,118,250.40, 1,716,177,375.60 and 378,213,354.40 is: 567,320,031.60
Step by Step Solution
- Step 1: Write the proportion equation
1,144,118,250.40 : 1,716,177,375.60 = 378,213,354.40 : x - Step 2: Convert to fraction form
1,144,118,250.40/1,716,177,375.60 = 378,213,354.40/x - Step 3: Cross multiply
1,144,118,250.40x = 1,716,177,375.60 × 378,213,354.40 - Step 4: Simplify right side
1,144,118,250.40x = 649,081,201,971,064,576 - Step 5: Solve for x
x = 649,081,201,971,064,576/1,144,118,250.40 - Step 6: Final answer
x = 567,320,031.60
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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.