Home / 5,318,786,311.60-7,978,179,467.40-3,223,633,313.20

Finding the Fourth Proportional to 5,318,786,311.60, 7,978,179,467.40 and 3,223,633,313.20

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Solution

The fourth proportional to 5,318,786,311.60, 7,978,179,467.40 and 3,223,633,313.20 is: 4,835,449,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,786,311.60 : 7,978,179,467.40 = 3,223,633,313.20 : x
  2. Step 2: Convert to fraction form
    5,318,786,311.60/7,978,179,467.40 = 3,223,633,313.20/x
  3. Step 3: Cross multiply
    5,318,786,311.60x = 7,978,179,467.40 × 3,223,633,313.20
  4. Step 4: Simplify right side
    5,318,786,311.60x = 25,718,725,109,798,871,040
  5. Step 5: Solve for x
    x = 25,718,725,109,798,871,040/5,318,786,311.60
  6. Step 6: Final answer
    x = 4,835,449,969.80

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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.