Home / 854,469,912.20-1,281,704,868.30-531,983,640.20

Finding the Fourth Proportional to 854,469,912.20, 1,281,704,868.30 and 531,983,640.20

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Solution

The fourth proportional to 854,469,912.20, 1,281,704,868.30 and 531,983,640.20 is: 797,975,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,469,912.20 : 1,281,704,868.30 = 531,983,640.20 : x
  2. Step 2: Convert to fraction form
    854,469,912.20/1,281,704,868.30 = 531,983,640.20/x
  3. Step 3: Cross multiply
    854,469,912.20x = 1,281,704,868.30 × 531,983,640.20
  4. Step 4: Simplify right side
    854,469,912.20x = 681,846,021,500,295,552
  5. Step 5: Solve for x
    x = 681,846,021,500,295,552/854,469,912.20
  6. Step 6: Final answer
    x = 797,975,460.30

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1.5x scale

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.