Home / 467,048,233.67-644,540,014.22-258,217,828.43

Finding the Fourth Proportional to 467,048,233.67, 644,540,014.22 and 258,217,828.43

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Solution

The fourth proportional to 467,048,233.67, 644,540,014.22 and 258,217,828.43 is: 356,348,040.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,048,233.67 : 644,540,014.22 = 258,217,828.43 : x
  2. Step 2: Convert to fraction form
    467,048,233.67/644,540,014.22 = 258,217,828.43/x
  3. Step 3: Cross multiply
    467,048,233.67x = 644,540,014.22 × 258,217,828.43
  4. Step 4: Simplify right side
    467,048,233.67x = 166,431,722,803,615,936
  5. Step 5: Solve for x
    x = 166,431,722,803,615,936/467,048,233.67
  6. Step 6: Final answer
    x = 356,348,040.32

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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.