Finding the Fourth Proportional to 328,799,284.37, 453,739,396.35 and 178,088,190.68
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Solution
The fourth proportional to 328,799,284.37, 453,739,396.35 and 178,088,190.68 is: 245,759,744.55
Step by Step Solution
- Step 1: Write the proportion equation
328,799,284.37 : 453,739,396.35 = 178,088,190.68 : x - Step 2: Convert to fraction form
328,799,284.37/453,739,396.35 = 178,088,190.68/x - Step 3: Cross multiply
328,799,284.37x = 453,739,396.35 × 178,088,190.68 - Step 4: Simplify right side
328,799,284.37x = 80,805,628,136,206,896 - Step 5: Solve for x
x = 80,805,628,136,206,896/328,799,284.37 - Step 6: Final answer
x = 245,759,744.55
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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.