Home / 2,214,449,440.40-3,321,422,218.20-578,839,379.60

Finding the Fourth Proportional to 2,214,449,440.40, 3,321,422,218.20 and 578,839,379.60

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Solution

The fourth proportional to 2,214,449,440.40, 3,321,422,218.20 and 578,839,379.60 is: 868,193,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,449,440.40 : 3,321,422,218.20 = 578,839,379.60 : x
  2. Step 2: Convert to fraction form
    2,214,449,440.40/3,321,422,218.20 = 578,839,379.60/x
  3. Step 3: Cross multiply
    2,214,449,440.40x = 3,321,422,218.20 × 578,839,379.60
  4. Step 4: Simplify right side
    2,214,449,440.40x = 1,922,569,976,172,543,744
  5. Step 5: Solve for x
    x = 1,922,569,976,172,543,744/2,214,449,440.40
  6. Step 6: Final answer
    x = 868,193,213.67

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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.