Home / 456,757,738.57-630,217,634.04-258,519,233.41

Finding the Fourth Proportional to 456,757,738.57, 630,217,634.04 and 258,519,233.41

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Solution

The fourth proportional to 456,757,738.57, 630,217,634.04 and 258,519,233.41 is: 356,695,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,757,738.57 : 630,217,634.04 = 258,519,233.41 : x
  2. Step 2: Convert to fraction form
    456,757,738.57/630,217,634.04 = 258,519,233.41/x
  3. Step 3: Cross multiply
    456,757,738.57x = 630,217,634.04 × 258,519,233.41
  4. Step 4: Simplify right side
    456,757,738.57x = 162,923,379,633,484,704
  5. Step 5: Solve for x
    x = 162,923,379,633,484,704/456,757,738.57
  6. Step 6: Final answer
    x = 356,695,389.87

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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.