Home / 484,500,019.20-726,750,028.80-280,426,675.20

Finding the Fourth Proportional to 484,500,019.20, 726,750,028.80 and 280,426,675.20

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Solution

The fourth proportional to 484,500,019.20, 726,750,028.80 and 280,426,675.20 is: 420,640,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,500,019.20 : 726,750,028.80 = 280,426,675.20 : x
  2. Step 2: Convert to fraction form
    484,500,019.20/726,750,028.80 = 280,426,675.20/x
  3. Step 3: Cross multiply
    484,500,019.20x = 726,750,028.80 × 280,426,675.20
  4. Step 4: Simplify right side
    484,500,019.20x = 203,800,094,277,888,224
  5. Step 5: Solve for x
    x = 203,800,094,277,888,224/484,500,019.20
  6. Step 6: Final answer
    x = 420,640,012.80

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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.