Home / 818,150,409.20-1,226,180,519.40-332,928,009.20

Finding the Fourth Proportional to 818,150,409.20, 1,226,180,519.40 and 332,928,009.20

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Solution

The fourth proportional to 818,150,409.20, 1,226,180,519.40 and 332,928,009.20 is: 498,966,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,150,409.20 : 1,226,180,519.40 = 332,928,009.20 : x
  2. Step 2: Convert to fraction form
    818,150,409.20/1,226,180,519.40 = 332,928,009.20/x
  3. Step 3: Cross multiply
    818,150,409.20x = 1,226,180,519.40 × 332,928,009.20
  4. Step 4: Simplify right side
    818,150,409.20x = 408,229,839,243,664,000
  5. Step 5: Solve for x
    x = 408,229,839,243,664,000/818,150,409.20
  6. Step 6: Final answer
    x = 498,966,736.01

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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.