Home / 377,975,449.73-521,579,485.46-210,704,311.94

Finding the Fourth Proportional to 377,975,449.73, 521,579,485.46 and 210,704,311.94

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Solution

The fourth proportional to 377,975,449.73, 521,579,485.46 and 210,704,311.94 is: 290,757,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,975,449.73 : 521,579,485.46 = 210,704,311.94 : x
  2. Step 2: Convert to fraction form
    377,975,449.73/521,579,485.46 = 210,704,311.94/x
  3. Step 3: Cross multiply
    377,975,449.73x = 521,579,485.46 × 210,704,311.94
  4. Step 4: Simplify right side
    377,975,449.73x = 109,899,046,603,787,392
  5. Step 5: Solve for x
    x = 109,899,046,603,787,392/377,975,449.73
  6. Step 6: Final answer
    x = 290,757,102.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.