Finding the Fourth Proportional to 2,994,045,905.80, 4,491,068,858.70 and 1,335,949,985.80
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Solution
The fourth proportional to 2,994,045,905.80, 4,491,068,858.70 and 1,335,949,985.80 is: 2,003,924,978.70
Step by Step Solution
- Step 1: Write the proportion equation
2,994,045,905.80 : 4,491,068,858.70 = 1,335,949,985.80 : x - Step 2: Convert to fraction form
2,994,045,905.80/4,491,068,858.70 = 1,335,949,985.80/x - Step 3: Cross multiply
2,994,045,905.80x = 4,491,068,858.70 × 1,335,949,985.80 - Step 4: Simplify right side
2,994,045,905.80x = 5,999,843,378,007,087,104 - Step 5: Solve for x
x = 5,999,843,378,007,087,104/2,994,045,905.80 - Step 6: Final answer
x = 2,003,924,978.70
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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.