Home / 618,925,619.34-928,191,463.56-204,325,244.68

Finding the Fourth Proportional to 618,925,619.34, 928,191,463.56 and 204,325,244.68

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Solution

The fourth proportional to 618,925,619.34, 928,191,463.56 and 204,325,244.68 is: 306,422,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,925,619.34 : 928,191,463.56 = 204,325,244.68 : x
  2. Step 2: Convert to fraction form
    618,925,619.34/928,191,463.56 = 204,325,244.68/x
  3. Step 3: Cross multiply
    618,925,619.34x = 928,191,463.56 × 204,325,244.68
  4. Step 4: Simplify right side
    618,925,619.34x = 189,652,947,901,784,288
  5. Step 5: Solve for x
    x = 189,652,947,901,784,288/618,925,619.34
  6. Step 6: Final answer
    x = 306,422,843.03

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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.