Home / 1,275,508,936.40-1,913,263,404.60-967,131,438.80

Finding the Fourth Proportional to 1,275,508,936.40, 1,913,263,404.60 and 967,131,438.80

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Solution

The fourth proportional to 1,275,508,936.40, 1,913,263,404.60 and 967,131,438.80 is: 1,450,697,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,508,936.40 : 1,913,263,404.60 = 967,131,438.80 : x
  2. Step 2: Convert to fraction form
    1,275,508,936.40/1,913,263,404.60 = 967,131,438.80/x
  3. Step 3: Cross multiply
    1,275,508,936.40x = 1,913,263,404.60 × 967,131,438.80
  4. Step 4: Simplify right side
    1,275,508,936.40x = 1,850,377,189,294,184,448
  5. Step 5: Solve for x
    x = 1,850,377,189,294,184,448/1,275,508,936.40
  6. Step 6: Final answer
    x = 1,450,697,158.20

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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.