Finding the Fourth Proportional to 5,218,047,205.26, 7,817,195,024.83 and 3,084,505,405.84
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Solution
The fourth proportional to 5,218,047,205.26, 7,817,195,024.83 and 3,084,505,405.84 is: 4,620,920,310.63
Step by Step Solution
- Step 1: Write the proportion equation
5,218,047,205.26 : 7,817,195,024.83 = 3,084,505,405.84 : x - Step 2: Convert to fraction form
5,218,047,205.26/7,817,195,024.83 = 3,084,505,405.84/x - Step 3: Cross multiply
5,218,047,205.26x = 7,817,195,024.83 × 3,084,505,405.84 - Step 4: Simplify right side
5,218,047,205.26x = 24,112,180,312,593,690,624 - Step 5: Solve for x
x = 24,112,180,312,593,690,624/5,218,047,205.26 - Step 6: Final answer
x = 4,620,920,310.63
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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.