Finding the Fourth Proportional to 2,914,724,739.98, 4,372,086,943.88 and 816,511,797.80
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Solution
The fourth proportional to 2,914,724,739.98, 4,372,086,943.88 and 816,511,797.80 is: 1,224,767,650.17
Step by Step Solution
- Step 1: Write the proportion equation
2,914,724,739.98 : 4,372,086,943.88 = 816,511,797.80 : x - Step 2: Convert to fraction form
2,914,724,739.98/4,372,086,943.88 = 816,511,797.80/x - Step 3: Cross multiply
2,914,724,739.98x = 4,372,086,943.88 × 816,511,797.80 - Step 4: Simplify right side
2,914,724,739.98x = 3,569,860,570,685,366,272 - Step 5: Solve for x
x = 3,569,860,570,685,366,272/2,914,724,739.98 - Step 6: Final answer
x = 1,224,767,650.17
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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.