Home / 2,640,308,936.40-3,960,463,404.60-799,822,465.20

Finding the Fourth Proportional to 2,640,308,936.40, 3,960,463,404.60 and 799,822,465.20

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Solution

The fourth proportional to 2,640,308,936.40, 3,960,463,404.60 and 799,822,465.20 is: 1,199,733,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,308,936.40 : 3,960,463,404.60 = 799,822,465.20 : x
  2. Step 2: Convert to fraction form
    2,640,308,936.40/3,960,463,404.60 = 799,822,465.20/x
  3. Step 3: Cross multiply
    2,640,308,936.40x = 3,960,463,404.60 × 799,822,465.20
  4. Step 4: Simplify right side
    2,640,308,936.40x = 3,167,667,603,601,556,992
  5. Step 5: Solve for x
    x = 3,167,667,603,601,556,992/2,640,308,936.40
  6. Step 6: Final answer
    x = 1,199,733,697.80

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Similar ratio
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1.5x scale

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.