Finding the Fourth Proportional to 444,460,840.86, 613,245,154.38 and 256,346,670.08
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Solution
The fourth proportional to 444,460,840.86, 613,245,154.38 and 256,346,670.08 is: 353,694,496.38
Step by Step Solution
- Step 1: Write the proportion equation
444,460,840.86 : 613,245,154.38 = 256,346,670.08 : x - Step 2: Convert to fraction form
444,460,840.86/613,245,154.38 = 256,346,670.08/x - Step 3: Cross multiply
444,460,840.86x = 613,245,154.38 × 256,346,670.08 - Step 4: Simplify right side
444,460,840.86x = 157,203,353,268,008,544 - Step 5: Solve for x
x = 157,203,353,268,008,544/444,460,840.86 - Step 6: Final answer
x = 353,694,496.38
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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.