Home / 979,776,223.20-1,469,664,334.80-864,984,967.20

Finding the Fourth Proportional to 979,776,223.20, 1,469,664,334.80 and 864,984,967.20

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Solution

The fourth proportional to 979,776,223.20, 1,469,664,334.80 and 864,984,967.20 is: 1,297,477,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,776,223.20 : 1,469,664,334.80 = 864,984,967.20 : x
  2. Step 2: Convert to fraction form
    979,776,223.20/1,469,664,334.80 = 864,984,967.20/x
  3. Step 3: Cross multiply
    979,776,223.20x = 1,469,664,334.80 × 864,984,967.20
  4. Step 4: Simplify right side
    979,776,223.20x = 1,271,237,556,431,987,968
  5. Step 5: Solve for x
    x = 1,271,237,556,431,987,968/979,776,223.20
  6. Step 6: Final answer
    x = 1,297,477,450.80

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Double scale
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Similar ratio
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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.