Finding the Fourth Proportional to 480,618,479.07, 663,266,542.84 and 271,805,847.75
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Solution
The fourth proportional to 480,618,479.07, 663,266,542.84 and 271,805,847.75 is: 375,099,445.42
Step by Step Solution
- Step 1: Write the proportion equation
480,618,479.07 : 663,266,542.84 = 271,805,847.75 : x - Step 2: Convert to fraction form
480,618,479.07/663,266,542.84 = 271,805,847.75/x - Step 3: Cross multiply
480,618,479.07x = 663,266,542.84 × 271,805,847.75 - Step 4: Simplify right side
480,618,479.07x = 180,279,724,960,158,368 - Step 5: Solve for x
x = 180,279,724,960,158,368/480,618,479.07 - Step 6: Final answer
x = 375,099,445.42
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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.