Finding the Fourth Proportional to 449,418,302.20, 674,146,115.70 and 142,701,758.20
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Solution
The fourth proportional to 449,418,302.20, 674,146,115.70 and 142,701,758.20 is: 214,058,563.09
Step by Step Solution
- Step 1: Write the proportion equation
449,418,302.20 : 674,146,115.70 = 142,701,758.20 : x - Step 2: Convert to fraction form
449,418,302.20/674,146,115.70 = 142,701,758.20/x - Step 3: Cross multiply
449,418,302.20x = 674,146,115.70 × 142,701,758.20 - Step 4: Simplify right side
449,418,302.20x = 96,201,835,994,090,624 - Step 5: Solve for x
x = 96,201,835,994,090,624/449,418,302.20 - Step 6: Final answer
x = 214,058,563.09
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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.