Home / 644,738,492.20-967,297,482.44-208,030,983.88

Finding the Fourth Proportional to 644,738,492.20, 967,297,482.44 and 208,030,983.88

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Solution

The fourth proportional to 644,738,492.20, 967,297,482.44 and 208,030,983.88 is: 312,107,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,738,492.20 : 967,297,482.44 = 208,030,983.88 : x
  2. Step 2: Convert to fraction form
    644,738,492.20/967,297,482.44 = 208,030,983.88/x
  3. Step 3: Cross multiply
    644,738,492.20x = 967,297,482.44 × 208,030,983.88
  4. Step 4: Simplify right side
    644,738,492.20x = 201,227,846,976,640,224
  5. Step 5: Solve for x
    x = 201,227,846,976,640,224/644,738,492.20
  6. Step 6: Final answer
    x = 312,107,698.56

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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.