Home / 280,184,234.10-420,276,351.15-264,311,862.90

Finding the Fourth Proportional to 280,184,234.10, 420,276,351.15 and 264,311,862.90

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Solution

The fourth proportional to 280,184,234.10, 420,276,351.15 and 264,311,862.90 is: 396,467,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,184,234.10 : 420,276,351.15 = 264,311,862.90 : x
  2. Step 2: Convert to fraction form
    280,184,234.10/420,276,351.15 = 264,311,862.90/x
  3. Step 3: Cross multiply
    280,184,234.10x = 420,276,351.15 × 264,311,862.90
  4. Step 4: Simplify right side
    280,184,234.10x = 111,084,025,305,271,056
  5. Step 5: Solve for x
    x = 111,084,025,305,271,056/280,184,234.10
  6. Step 6: Final answer
    x = 396,467,794.35

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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.