Home / 449,987,637.28-674,758,168.08-143,239,872.64

Finding the Fourth Proportional to 449,987,637.28, 674,758,168.08 and 143,239,872.64

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Solution

The fourth proportional to 449,987,637.28, 674,758,168.08 and 143,239,872.64 is: 214,788,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,987,637.28 : 674,758,168.08 = 143,239,872.64 : x
  2. Step 2: Convert to fraction form
    449,987,637.28/674,758,168.08 = 143,239,872.64/x
  3. Step 3: Cross multiply
    449,987,637.28x = 674,758,168.08 × 143,239,872.64
  4. Step 4: Simplify right side
    449,987,637.28x = 96,652,274,058,578,912
  5. Step 5: Solve for x
    x = 96,652,274,058,578,912/449,987,637.28
  6. Step 6: Final answer
    x = 214,788,732.07

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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.