Finding the Fourth Proportional to 415,336,441.74, 573,100,610.74 and 239,090,383.68
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Solution
The fourth proportional to 415,336,441.74, 573,100,610.74 and 239,090,383.68 is: 329,908,072.44
Step by Step Solution
- Step 1: Write the proportion equation
415,336,441.74 : 573,100,610.74 = 239,090,383.68 : x - Step 2: Convert to fraction form
415,336,441.74/573,100,610.74 = 239,090,383.68/x - Step 3: Cross multiply
415,336,441.74x = 573,100,610.74 × 239,090,383.68 - Step 4: Simplify right side
415,336,441.74x = 137,022,844,909,068,928 - Step 5: Solve for x
x = 137,022,844,909,068,928/415,336,441.74 - Step 6: Final answer
x = 329,908,072.44
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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.