Home / 484,967,563.20-727,451,344.80-280,390,334.40

Finding the Fourth Proportional to 484,967,563.20, 727,451,344.80 and 280,390,334.40

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Solution

The fourth proportional to 484,967,563.20, 727,451,344.80 and 280,390,334.40 is: 420,585,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,967,563.20 : 727,451,344.80 = 280,390,334.40 : x
  2. Step 2: Convert to fraction form
    484,967,563.20/727,451,344.80 = 280,390,334.40/x
  3. Step 3: Cross multiply
    484,967,563.20x = 727,451,344.80 × 280,390,334.40
  4. Step 4: Simplify right side
    484,967,563.20x = 203,970,325,828,201,664
  5. Step 5: Solve for x
    x = 203,970,325,828,201,664/484,967,563.20
  6. Step 6: Final answer
    x = 420,585,501.60

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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.