Home / 1,429,021,629.06-2,143,962,916.26-446,408,477.70

Finding the Fourth Proportional to 1,429,021,629.06, 2,143,962,916.26 and 446,408,477.70

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Solution

The fourth proportional to 1,429,021,629.06, 2,143,962,916.26 and 446,408,477.70 is: 669,747,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,021,629.06 : 2,143,962,916.26 = 446,408,477.70 : x
  2. Step 2: Convert to fraction form
    1,429,021,629.06/2,143,962,916.26 = 446,408,477.70/x
  3. Step 3: Cross multiply
    1,429,021,629.06x = 2,143,962,916.26 × 446,408,477.70
  4. Step 4: Simplify right side
    1,429,021,629.06x = 957,083,221,692,879,104
  5. Step 5: Solve for x
    x = 957,083,221,692,879,104/1,429,021,629.06
  6. Step 6: Final answer
    x = 669,747,190.83

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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.