Home / 31,360,175,998.40-47,040,263,997.60-15,687,343,179.20

Finding the Fourth Proportional to 31,360,175,998.40, 47,040,263,997.60 and 15,687,343,179.20

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Solution

The fourth proportional to 31,360,175,998.40, 47,040,263,997.60 and 15,687,343,179.20 is: 23,531,014,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360,175,998.40 : 47,040,263,997.60 = 15,687,343,179.20 : x
  2. Step 2: Convert to fraction form
    31,360,175,998.40/47,040,263,997.60 = 15,687,343,179.20/x
  3. Step 3: Cross multiply
    31,360,175,998.40x = 47,040,263,997.60 × 15,687,343,179.20
  4. Step 4: Simplify right side
    31,360,175,998.40x = 737,936,764,570,517,635,072
  5. Step 5: Solve for x
    x = 737,936,764,570,517,635,072/31,360,175,998.40
  6. Step 6: Final answer
    x = 23,531,014,768.80

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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.