Home / 467,048,234.67-644,540,015.60-258,217,829.43

Finding the Fourth Proportional to 467,048,234.67, 644,540,015.60 and 258,217,829.43

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Solution

The fourth proportional to 467,048,234.67, 644,540,015.60 and 258,217,829.43 is: 356,348,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,048,234.67 : 644,540,015.60 = 258,217,829.43 : x
  2. Step 2: Convert to fraction form
    467,048,234.67/644,540,015.60 = 258,217,829.43/x
  3. Step 3: Cross multiply
    467,048,234.67x = 644,540,015.60 × 258,217,829.43
  4. Step 4: Simplify right side
    467,048,234.67x = 166,431,723,809,010,336
  5. Step 5: Solve for x
    x = 166,431,723,809,010,336/467,048,234.67
  6. Step 6: Final answer
    x = 356,348,041.71

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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.