Finding the Fourth Proportional to 668,761,964.28, 1,002,745,548 and 254,269,125.99
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Solution
The fourth proportional to 668,761,964.28, 1,002,745,548 and 254,269,125.99 is: 381,252,594.64
Step by Step Solution
- Step 1: Write the proportion equation
668,761,964.28 : 1,002,745,548 = 254,269,125.99 : x - Step 2: Convert to fraction form
668,761,964.28/1,002,745,548 = 254,269,125.99/x - Step 3: Cross multiply
668,761,964.28x = 1,002,745,548 × 254,269,125.99 - Step 4: Simplify right side
668,761,964.28x = 254,967,234,080,323,616 - Step 5: Solve for x
x = 254,967,234,080,323,616/668,761,964.28 - Step 6: Final answer
x = 381,252,594.64
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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.