Home / 268,272,004.80-402,408,007.20-230,008,252.80

Finding the Fourth Proportional to 268,272,004.80, 402,408,007.20 and 230,008,252.80

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Solution

The fourth proportional to 268,272,004.80, 402,408,007.20 and 230,008,252.80 is: 345,012,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,004.80 : 402,408,007.20 = 230,008,252.80 : x
  2. Step 2: Convert to fraction form
    268,272,004.80/402,408,007.20 = 230,008,252.80/x
  3. Step 3: Cross multiply
    268,272,004.80x = 402,408,007.20 × 230,008,252.80
  4. Step 4: Simplify right side
    268,272,004.80x = 92,557,162,648,801,824
  5. Step 5: Solve for x
    x = 92,557,162,648,801,824/268,272,004.80
  6. Step 6: Final answer
    x = 345,012,379.20

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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.