Home / 484,675,919.20-726,995,216.40-161,559,791.20

Finding the Fourth Proportional to 484,675,919.20, 726,995,216.40 and 161,559,791.20

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Solution

The fourth proportional to 484,675,919.20, 726,995,216.40 and 161,559,791.20 is: 242,333,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,675,919.20 : 726,995,216.40 = 161,559,791.20 : x
  2. Step 2: Convert to fraction form
    484,675,919.20/726,995,216.40 = 161,559,791.20/x
  3. Step 3: Cross multiply
    484,675,919.20x = 726,995,216.40 × 161,559,791.20
  4. Step 4: Simplify right side
    484,675,919.20x = 117,453,195,364,982,800
  5. Step 5: Solve for x
    x = 117,453,195,364,982,800/484,675,919.20
  6. Step 6: Final answer
    x = 242,333,465.96

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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.