Home / 885,100,921.20-1,324,963,996.20-788,355,039.60

Finding the Fourth Proportional to 885,100,921.20, 1,324,963,996.20 and 788,355,039.60

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Solution

The fourth proportional to 885,100,921.20, 1,324,963,996.20 and 788,355,039.60 is: 1,180,138,918.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,100,921.20 : 1,324,963,996.20 = 788,355,039.60 : x
  2. Step 2: Convert to fraction form
    885,100,921.20/1,324,963,996.20 = 788,355,039.60/x
  3. Step 3: Cross multiply
    885,100,921.20x = 1,324,963,996.20 × 788,355,039.60
  4. Step 4: Simplify right side
    885,100,921.20x = 1,044,542,043,692,825,344
  5. Step 5: Solve for x
    x = 1,044,542,043,692,825,344/885,100,921.20
  6. Step 6: Final answer
    x = 1,180,138,918.26

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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.