Finding the Fourth Proportional to 3,789,652,424.68, 5,228,118,951.78 and 2,536,992,867.88
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Solution
The fourth proportional to 3,789,652,424.68, 5,228,118,951.78 and 2,536,992,867.88 is: 3,499,978,100.03
Step by Step Solution
- Step 1: Write the proportion equation
3,789,652,424.68 : 5,228,118,951.78 = 2,536,992,867.88 : x - Step 2: Convert to fraction form
3,789,652,424.68/5,228,118,951.78 = 2,536,992,867.88/x - Step 3: Cross multiply
3,789,652,424.68x = 5,228,118,951.78 × 2,536,992,867.88 - Step 4: Simplify right side
3,789,652,424.68x = 13,263,700,493,094,121,472 - Step 5: Solve for x
x = 13,263,700,493,094,121,472/3,789,652,424.68 - Step 6: Final answer
x = 3,499,978,100.03
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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.