Home / 1,358,135,989.20-2,037,203,983.80-738,263,206.80

Finding the Fourth Proportional to 1,358,135,989.20, 2,037,203,983.80 and 738,263,206.80

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Solution

The fourth proportional to 1,358,135,989.20, 2,037,203,983.80 and 738,263,206.80 is: 1,107,394,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,135,989.20 : 2,037,203,983.80 = 738,263,206.80 : x
  2. Step 2: Convert to fraction form
    1,358,135,989.20/2,037,203,983.80 = 738,263,206.80/x
  3. Step 3: Cross multiply
    1,358,135,989.20x = 2,037,203,983.80 × 738,263,206.80
  4. Step 4: Simplify right side
    1,358,135,989.20x = 1,503,992,745,985,923,072
  5. Step 5: Solve for x
    x = 1,503,992,745,985,923,072/1,358,135,989.20
  6. Step 6: Final answer
    x = 1,107,394,810.20

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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.