Finding the Fourth Proportional to 633,478,993.70, 950,765,542.47 and 439,526,611.31
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Solution
The fourth proportional to 633,478,993.70, 950,765,542.47 and 439,526,611.31 is: 659,669,477.89
Step by Step Solution
- Step 1: Write the proportion equation
633,478,993.70 : 950,765,542.47 = 439,526,611.31 : x - Step 2: Convert to fraction form
633,478,993.70/950,765,542.47 = 439,526,611.31/x - Step 3: Cross multiply
633,478,993.70x = 950,765,542.47 × 439,526,611.31 - Step 4: Simplify right side
633,478,993.70x = 417,886,757,027,399,168 - Step 5: Solve for x
x = 417,886,757,027,399,168/633,478,993.70 - Step 6: Final answer
x = 659,669,477.89
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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.