Home / 940,676,325.12-1,410,923,311.92-285,633,109.22

Finding the Fourth Proportional to 940,676,325.12, 1,410,923,311.92 and 285,633,109.22

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Solution

The fourth proportional to 940,676,325.12, 1,410,923,311.92 and 285,633,109.22 is: 428,421,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,676,325.12 : 1,410,923,311.92 = 285,633,109.22 : x
  2. Step 2: Convert to fraction form
    940,676,325.12/1,410,923,311.92 = 285,633,109.22/x
  3. Step 3: Cross multiply
    940,676,325.12x = 1,410,923,311.92 × 285,633,109.22
  4. Step 4: Simplify right side
    940,676,325.12x = 403,006,412,454,689,536
  5. Step 5: Solve for x
    x = 403,006,412,454,689,536/940,676,325.12
  6. Step 6: Final answer
    x = 428,421,978.63

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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.