Home / 484,522,071.20-726,783,106.80-280,448,727.20

Finding the Fourth Proportional to 484,522,071.20, 726,783,106.80 and 280,448,727.20

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Solution

The fourth proportional to 484,522,071.20, 726,783,106.80 and 280,448,727.20 is: 420,673,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,522,071.20 : 726,783,106.80 = 280,448,727.20 : x
  2. Step 2: Convert to fraction form
    484,522,071.20/726,783,106.80 = 280,448,727.20/x
  3. Step 3: Cross multiply
    484,522,071.20x = 726,783,106.80 × 280,448,727.20
  4. Step 4: Simplify right side
    484,522,071.20x = 203,825,397,252,521,632
  5. Step 5: Solve for x
    x = 203,825,397,252,521,632/484,522,071.20
  6. Step 6: Final answer
    x = 420,673,090.80

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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.