Finding the Fourth Proportional to 745,504,660.12, 1,028,799,548.86 and 410,969,840.62
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Solution
The fourth proportional to 745,504,660.12, 1,028,799,548.86 and 410,969,840.62 is: 567,140,098.84
Step by Step Solution
- Step 1: Write the proportion equation
745,504,660.12 : 1,028,799,548.86 = 410,969,840.62 : x - Step 2: Convert to fraction form
745,504,660.12/1,028,799,548.86 = 410,969,840.62/x - Step 3: Cross multiply
745,504,660.12x = 1,028,799,548.86 × 410,969,840.62 - Step 4: Simplify right side
745,504,660.12x = 422,805,586,624,922,112 - Step 5: Solve for x
x = 422,805,586,624,922,112/745,504,660.12 - Step 6: Final answer
x = 567,140,098.84
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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.