Home / 20,906,783,997.60-31,360,175,996.40-10,458,228,784.80

Finding the Fourth Proportional to 20,906,783,997.60, 31,360,175,996.40 and 10,458,228,784.80

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Solution

The fourth proportional to 20,906,783,997.60, 31,360,175,996.40 and 10,458,228,784.80 is: 15,687,343,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,906,783,997.60 : 31,360,175,996.40 = 10,458,228,784.80 : x
  2. Step 2: Convert to fraction form
    20,906,783,997.60/31,360,175,996.40 = 10,458,228,784.80/x
  3. Step 3: Cross multiply
    20,906,783,997.60x = 31,360,175,996.40 × 10,458,228,784.80
  4. Step 4: Simplify right side
    20,906,783,997.60x = 327,971,895,301,944,508,416
  5. Step 5: Solve for x
    x = 327,971,895,301,944,508,416/20,906,783,997.60
  6. Step 6: Final answer
    x = 15,687,343,177.20

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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.