Finding the Fourth Proportional to 328,799,282.37, 453,739,393.59 and 178,088,188.68
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Solution
The fourth proportional to 328,799,282.37, 453,739,393.59 and 178,088,188.68 is: 245,759,741.79
Step by Step Solution
- Step 1: Write the proportion equation
328,799,282.37 : 453,739,393.59 = 178,088,188.68 : x - Step 2: Convert to fraction form
328,799,282.37/453,739,393.59 = 178,088,188.68/x - Step 3: Cross multiply
328,799,282.37x = 453,739,393.59 × 178,088,188.68 - Step 4: Simplify right side
328,799,282.37x = 80,805,626,734,936,000 - Step 5: Solve for x
x = 80,805,626,734,936,000/328,799,282.37 - Step 6: Final answer
x = 245,759,741.79
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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.