Home / 874,455,843.10-1,311,494,807.85-383,168,163.10

Finding the Fourth Proportional to 874,455,843.10, 1,311,494,807.85 and 383,168,163.10

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Solution

The fourth proportional to 874,455,843.10, 1,311,494,807.85 and 383,168,163.10 is: 574,669,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,455,843.10 : 1,311,494,807.85 = 383,168,163.10 : x
  2. Step 2: Convert to fraction form
    874,455,843.10/1,311,494,807.85 = 383,168,163.10/x
  3. Step 3: Cross multiply
    874,455,843.10x = 1,311,494,807.85 × 383,168,163.10
  4. Step 4: Simplify right side
    874,455,843.10x = 502,523,056,439,071,936
  5. Step 5: Solve for x
    x = 502,523,056,439,071,936/874,455,843.10
  6. Step 6: Final answer
    x = 574,669,447.75

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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.