Finding the Fourth Proportional to 635,483,464.70, 876,944,814.01 and 349,372,907.80
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Solution
The fourth proportional to 635,483,464.70, 876,944,814.01 and 349,372,907.80 is: 482,122,315.80
Step by Step Solution
- Step 1: Write the proportion equation
635,483,464.70 : 876,944,814.01 = 349,372,907.80 : x - Step 2: Convert to fraction form
635,483,464.70/876,944,814.01 = 349,372,907.80/x - Step 3: Cross multiply
635,483,464.70x = 876,944,814.01 × 349,372,907.80 - Step 4: Simplify right side
635,483,464.70x = 306,380,759,652,336,768 - Step 5: Solve for x
x = 306,380,759,652,336,768/635,483,464.70 - Step 6: Final answer
x = 482,122,315.80
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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.