Home / 1,254,682,455.20-1,882,023,682.80-436,522,839.20

Finding the Fourth Proportional to 1,254,682,455.20, 1,882,023,682.80 and 436,522,839.20

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Solution

The fourth proportional to 1,254,682,455.20, 1,882,023,682.80 and 436,522,839.20 is: 654,784,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,682,455.20 : 1,882,023,682.80 = 436,522,839.20 : x
  2. Step 2: Convert to fraction form
    1,254,682,455.20/1,882,023,682.80 = 436,522,839.20/x
  3. Step 3: Cross multiply
    1,254,682,455.20x = 1,882,023,682.80 × 436,522,839.20
  4. Step 4: Simplify right side
    1,254,682,455.20x = 821,546,321,457,496,192
  5. Step 5: Solve for x
    x = 821,546,321,457,496,192/1,254,682,455.20
  6. Step 6: Final answer
    x = 654,784,258.80

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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.