Home / 512,463,450.30-768,620,525.85-148,919,898.30

Finding the Fourth Proportional to 512,463,450.30, 768,620,525.85 and 148,919,898.30

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Solution

The fourth proportional to 512,463,450.30, 768,620,525.85 and 148,919,898.30 is: 223,358,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,463,450.30 : 768,620,525.85 = 148,919,898.30 : x
  2. Step 2: Convert to fraction form
    512,463,450.30/768,620,525.85 = 148,919,898.30/x
  3. Step 3: Cross multiply
    512,463,450.30x = 768,620,525.85 × 148,919,898.30
  4. Step 4: Simplify right side
    512,463,450.30x = 114,462,890,540,874,528
  5. Step 5: Solve for x
    x = 114,462,890,540,874,528/512,463,450.30
  6. Step 6: Final answer
    x = 223,358,154.56

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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.