Finding the Fourth Proportional to 673,583,239.62, 929,534,978.10 and 376,229,821.26
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Solution
The fourth proportional to 673,583,239.62, 929,534,978.10 and 376,229,821.26 is: 519,191,627.84
Step by Step Solution
- Step 1: Write the proportion equation
673,583,239.62 : 929,534,978.10 = 376,229,821.26 : x - Step 2: Convert to fraction form
673,583,239.62/929,534,978.10 = 376,229,821.26/x - Step 3: Cross multiply
673,583,239.62x = 929,534,978.10 × 376,229,821.26 - Step 4: Simplify right side
673,583,239.62x = 349,718,778,665,481,024 - Step 5: Solve for x
x = 349,718,778,665,481,024/673,583,239.62 - Step 6: Final answer
x = 519,191,627.84
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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.