Finding the Fourth Proportional to 3,902,399,945.16, 5,385,317,093.46 and 2,118,252,239.88
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Solution
The fourth proportional to 3,902,399,945.16, 5,385,317,093.46 and 2,118,252,239.88 is: 2,923,190,896.88
Step by Step Solution
- Step 1: Write the proportion equation
3,902,399,945.16 : 5,385,317,093.46 = 2,118,252,239.88 : x - Step 2: Convert to fraction form
3,902,399,945.16/5,385,317,093.46 = 2,118,252,239.88/x - Step 3: Cross multiply
3,902,399,945.16x = 5,385,317,093.46 × 2,118,252,239.88 - Step 4: Simplify right side
3,902,399,945.16x = 11,407,459,995,685,697,536 - Step 5: Solve for x
x = 11,407,459,995,685,697,536/3,902,399,945.16 - Step 6: Final answer
x = 2,923,190,896.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.