Home / 677,334,107.10-1,015,700,865.21-362,123,647.86

Finding the Fourth Proportional to 677,334,107.10, 1,015,700,865.21 and 362,123,647.86

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Solution

The fourth proportional to 677,334,107.10, 1,015,700,865.21 and 362,123,647.86 is: 543,024,924.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,334,107.10 : 1,015,700,865.21 = 362,123,647.86 : x
  2. Step 2: Convert to fraction form
    677,334,107.10/1,015,700,865.21 = 362,123,647.86/x
  3. Step 3: Cross multiply
    677,334,107.10x = 1,015,700,865.21 × 362,123,647.86
  4. Step 4: Simplify right side
    677,334,107.10x = 367,809,302,444,403,392
  5. Step 5: Solve for x
    x = 367,809,302,444,403,392/677,334,107.10
  6. Step 6: Final answer
    x = 543,024,924.61

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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.