Finding the Fourth Proportional to 328,771,259.92, 453,532,323.72 and 203,283,343.18
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Solution
The fourth proportional to 328,771,259.92, 453,532,323.72 and 203,283,343.18 is: 280,424,654.60
Step by Step Solution
- Step 1: Write the proportion equation
328,771,259.92 : 453,532,323.72 = 203,283,343.18 : x - Step 2: Convert to fraction form
328,771,259.92/453,532,323.72 = 203,283,343.18/x - Step 3: Cross multiply
328,771,259.92x = 453,532,323.72 × 203,283,343.18 - Step 4: Simplify right side
328,771,259.92x = 92,195,567,005,995,616 - Step 5: Solve for x
x = 92,195,567,005,995,616/328,771,259.92 - Step 6: Final answer
x = 280,424,654.60
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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.