Finding the Fourth Proportional to 1,770,699,249.40, 2,656,447,005.30 and 543,924,311.80
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Solution
The fourth proportional to 1,770,699,249.40, 2,656,447,005.30 and 543,924,311.80 is: 816,008,765.85
Step by Step Solution
- Step 1: Write the proportion equation
1,770,699,249.40 : 2,656,447,005.30 = 543,924,311.80 : x - Step 2: Convert to fraction form
1,770,699,249.40/2,656,447,005.30 = 543,924,311.80/x - Step 3: Cross multiply
1,770,699,249.40x = 2,656,447,005.30 × 543,924,311.80 - Step 4: Simplify right side
1,770,699,249.40x = 1,444,906,109,190,973,440 - Step 5: Solve for x
x = 1,444,906,109,190,973,440/1,770,699,249.40 - Step 6: Final answer
x = 816,008,765.85
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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.