Home / 2,212,700,736.80-3,319,219,066.80-659,870,861.60

Finding the Fourth Proportional to 2,212,700,736.80, 3,319,219,066.80 and 659,870,861.60

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Solution

The fourth proportional to 2,212,700,736.80, 3,319,219,066.80 and 659,870,861.60 is: 989,856,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,700,736.80 : 3,319,219,066.80 = 659,870,861.60 : x
  2. Step 2: Convert to fraction form
    2,212,700,736.80/3,319,219,066.80 = 659,870,861.60/x
  3. Step 3: Cross multiply
    2,212,700,736.80x = 3,319,219,066.80 × 659,870,861.60
  4. Step 4: Simplify right side
    2,212,700,736.80x = 2,190,255,945,448,464,128
  5. Step 5: Solve for x
    x = 2,190,255,945,448,464,128/2,212,700,736.80
  6. Step 6: Final answer
    x = 989,856,381.85

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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.