Home / 484,858,401.60-726,862,449.60-290,847,007.20

Finding the Fourth Proportional to 484,858,401.60, 726,862,449.60 and 290,847,007.20

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Solution

The fourth proportional to 484,858,401.60, 726,862,449.60 and 290,847,007.20 is: 436,015,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,858,401.60 : 726,862,449.60 = 290,847,007.20 : x
  2. Step 2: Convert to fraction form
    484,858,401.60/726,862,449.60 = 290,847,007.20/x
  3. Step 3: Cross multiply
    484,858,401.60x = 726,862,449.60 × 290,847,007.20
  4. Step 4: Simplify right side
    484,858,401.60x = 211,405,768,112,220,832
  5. Step 5: Solve for x
    x = 211,405,768,112,220,832/484,858,401.60
  6. Step 6: Final answer
    x = 436,015,478.78

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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.