Home / 3,220,404,806.30-4,830,607,209.45-1,380,343,487.90

Finding the Fourth Proportional to 3,220,404,806.30, 4,830,607,209.45 and 1,380,343,487.90

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Solution

The fourth proportional to 3,220,404,806.30, 4,830,607,209.45 and 1,380,343,487.90 is: 2,070,515,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,404,806.30 : 4,830,607,209.45 = 1,380,343,487.90 : x
  2. Step 2: Convert to fraction form
    3,220,404,806.30/4,830,607,209.45 = 1,380,343,487.90/x
  3. Step 3: Cross multiply
    3,220,404,806.30x = 4,830,607,209.45 × 1,380,343,487.90
  4. Step 4: Simplify right side
    3,220,404,806.30x = 6,667,897,204,167,099,392
  5. Step 5: Solve for x
    x = 6,667,897,204,167,099,392/3,220,404,806.30
  6. Step 6: Final answer
    x = 2,070,515,231.85

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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.