Finding the Fourth Proportional to 446,367,757.28, 669,553,775.55 and 135,478,074.65
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Solution
The fourth proportional to 446,367,757.28, 669,553,775.55 and 135,478,074.65 is: 203,217,761.37
Step by Step Solution
- Step 1: Write the proportion equation
446,367,757.28 : 669,553,775.55 = 135,478,074.65 : x - Step 2: Convert to fraction form
446,367,757.28/669,553,775.55 = 135,478,074.65/x - Step 3: Cross multiply
446,367,757.28x = 669,553,775.55 × 135,478,074.65 - Step 4: Simplify right side
446,367,757.28x = 90,709,856,382,804,480 - Step 5: Solve for x
x = 90,709,856,382,804,480/446,367,757.28 - Step 6: Final answer
x = 203,217,761.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.