Home / 279,596,901,195-419,349,435,289.72-120,377,135,079.72

Finding the Fourth Proportional to 279,596,901,195, 419,349,435,289.72 and 120,377,135,079.72

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Solution

The fourth proportional to 279,596,901,195, 419,349,435,289.72 and 120,377,135,079.72 is: 180,545,933,813.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,596,901,195 : 419,349,435,289.72 = 120,377,135,079.72 : x
  2. Step 2: Convert to fraction form
    279,596,901,195/419,349,435,289.72 = 120,377,135,079.72/x
  3. Step 3: Cross multiply
    279,596,901,195x = 419,349,435,289.72 × 120,377,135,079.72
  4. Step 4: Simplify right side
    279,596,901,195x = 50,480,083,617,474,922,151,936
  5. Step 5: Solve for x
    x = 50,480,083,617,474,922,151,936/279,596,901,195
  6. Step 6: Final answer
    x = 180,545,933,813.01

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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.