Finding the Fourth Proportional to 340,157,723.42, 469,167,040.44 and 256,529,378.36
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Solution
The fourth proportional to 340,157,723.42, 469,167,040.44 and 256,529,378.36 is: 353,821,539.08
Step by Step Solution
- Step 1: Write the proportion equation
340,157,723.42 : 469,167,040.44 = 256,529,378.36 : x - Step 2: Convert to fraction form
340,157,723.42/469,167,040.44 = 256,529,378.36/x - Step 3: Cross multiply
340,157,723.42x = 469,167,040.44 × 256,529,378.36 - Step 4: Simplify right side
340,157,723.42x = 120,355,129,228,728,336 - Step 5: Solve for x
x = 120,355,129,228,728,336/340,157,723.42 - Step 6: Final answer
x = 353,821,539.08
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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.