Home / 2,780,127,093.60-4,170,126,877.20-1,399,570,869.60

Finding the Fourth Proportional to 2,780,127,093.60, 4,170,126,877.20 and 1,399,570,869.60

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Solution

The fourth proportional to 2,780,127,093.60, 4,170,126,877.20 and 1,399,570,869.60 is: 2,099,324,204.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,127,093.60 : 4,170,126,877.20 = 1,399,570,869.60 : x
  2. Step 2: Convert to fraction form
    2,780,127,093.60/4,170,126,877.20 = 1,399,570,869.60/x
  3. Step 3: Cross multiply
    2,780,127,093.60x = 4,170,126,877.20 × 1,399,570,869.60
  4. Step 4: Simplify right side
    2,780,127,093.60x = 5,836,388,099,865,136,128
  5. Step 5: Solve for x
    x = 5,836,388,099,865,136,128/2,780,127,093.60
  6. Step 6: Final answer
    x = 2,099,324,204.75

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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.