Finding the Fourth Proportional to 472,463,241.12, 652,058,158.32 and 274,182,161.76
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Solution
The fourth proportional to 472,463,241.12, 652,058,158.32 and 274,182,161.76 is: 378,405,555.99
Step by Step Solution
- Step 1: Write the proportion equation
472,463,241.12 : 652,058,158.32 = 274,182,161.76 : x - Step 2: Convert to fraction form
472,463,241.12/652,058,158.32 = 274,182,161.76/x - Step 3: Cross multiply
472,463,241.12x = 652,058,158.32 × 274,182,161.76 - Step 4: Simplify right side
472,463,241.12x = 178,782,715,441,421,952 - Step 5: Solve for x
x = 178,782,715,441,421,952/472,463,241.12 - Step 6: Final answer
x = 378,405,555.99
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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.