Home / 483,863,756.20-725,795,634.30-279,790,412.20

Finding the Fourth Proportional to 483,863,756.20, 725,795,634.30 and 279,790,412.20

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Solution

The fourth proportional to 483,863,756.20, 725,795,634.30 and 279,790,412.20 is: 419,685,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,863,756.20 : 725,795,634.30 = 279,790,412.20 : x
  2. Step 2: Convert to fraction form
    483,863,756.20/725,795,634.30 = 279,790,412.20/x
  3. Step 3: Cross multiply
    483,863,756.20x = 725,795,634.30 × 279,790,412.20
  4. Step 4: Simplify right side
    483,863,756.20x = 203,070,659,693,757,440
  5. Step 5: Solve for x
    x = 203,070,659,693,757,440/483,863,756.20
  6. Step 6: Final answer
    x = 419,685,618.30

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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.