Finding the Fourth Proportional to 426,594,858.37, 639,330,451.01 and 180,647,165.09
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Solution
The fourth proportional to 426,594,858.37, 639,330,451.01 and 180,647,165.09 is: 270,732,830.61
Step by Step Solution
- Step 1: Write the proportion equation
426,594,858.37 : 639,330,451.01 = 180,647,165.09 : x - Step 2: Convert to fraction form
426,594,858.37/639,330,451.01 = 180,647,165.09/x - Step 3: Cross multiply
426,594,858.37x = 639,330,451.01 × 180,647,165.09 - Step 4: Simplify right side
426,594,858.37x = 115,493,233,529,764,400 - Step 5: Solve for x
x = 115,493,233,529,764,400/426,594,858.37 - Step 6: Final answer
x = 270,732,830.61
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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.