Finding the Fourth Proportional to 635,483,466.52, 876,944,816.51 and 349,372,909.63
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Solution
The fourth proportional to 635,483,466.52, 876,944,816.51 and 349,372,909.63 is: 482,122,318.31
Step by Step Solution
- Step 1: Write the proportion equation
635,483,466.52 : 876,944,816.51 = 349,372,909.63 : x - Step 2: Convert to fraction form
635,483,466.52/876,944,816.51 = 349,372,909.63/x - Step 3: Cross multiply
635,483,466.52x = 876,944,816.51 × 349,372,909.63 - Step 4: Simplify right side
635,483,466.52x = 306,380,762,122,913,600 - Step 5: Solve for x
x = 306,380,762,122,913,600/635,483,466.52 - Step 6: Final answer
x = 482,122,318.31
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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.