Finding the Fourth Proportional to 543,964,343.20, 750,648,893.84 and 296,440,382.88
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Solution
The fourth proportional to 543,964,343.20, 750,648,893.84 and 296,440,382.88 is: 409,075,793.81
Step by Step Solution
- Step 1: Write the proportion equation
543,964,343.20 : 750,648,893.84 = 296,440,382.88 : x - Step 2: Convert to fraction form
543,964,343.20/750,648,893.84 = 296,440,382.88/x - Step 3: Cross multiply
543,964,343.20x = 750,648,893.84 × 296,440,382.88 - Step 4: Simplify right side
543,964,343.20x = 222,522,645,498,378,080 - Step 5: Solve for x
x = 222,522,645,498,378,080/543,964,343.20 - Step 6: Final answer
x = 409,075,793.81
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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.