Home / 825,945,311.43-1,238,931,104.94-459,807,453.77

Finding the Fourth Proportional to 825,945,311.43, 1,238,931,104.94 and 459,807,453.77

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Solution

The fourth proportional to 825,945,311.43, 1,238,931,104.94 and 459,807,453.77 is: 689,718,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,945,311.43 : 1,238,931,104.94 = 459,807,453.77 : x
  2. Step 2: Convert to fraction form
    825,945,311.43/1,238,931,104.94 = 459,807,453.77/x
  3. Step 3: Cross multiply
    825,945,311.43x = 1,238,931,104.94 × 459,807,453.77
  4. Step 4: Simplify right side
    825,945,311.43x = 569,669,756,752,719,424
  5. Step 5: Solve for x
    x = 569,669,756,752,719,424/825,945,311.43
  6. Step 6: Final answer
    x = 689,718,494.52

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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.