Home / 868,199,415.36-1,198,114,918.24-477,084,033.60

Finding the Fourth Proportional to 868,199,415.36, 1,198,114,918.24 and 477,084,033.60

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Solution

The fourth proportional to 868,199,415.36, 1,198,114,918.24 and 477,084,033.60 is: 658,375,815.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,199,415.36 : 1,198,114,918.24 = 477,084,033.60 : x
  2. Step 2: Convert to fraction form
    868,199,415.36/1,198,114,918.24 = 477,084,033.60/x
  3. Step 3: Cross multiply
    868,199,415.36x = 1,198,114,918.24 × 477,084,033.60
  4. Step 4: Simplify right side
    868,199,415.36x = 571,601,497,910,273,472
  5. Step 5: Solve for x
    x = 571,601,497,910,273,472/868,199,415.36
  6. Step 6: Final answer
    x = 658,375,815.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.