Home / 3,786,650,072.64-5,226,096,209.76-2,179,072,029.60

Finding the Fourth Proportional to 3,786,650,072.64, 5,226,096,209.76 and 2,179,072,029.60

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Solution

The fourth proportional to 3,786,650,072.64, 5,226,096,209.76 and 2,179,072,029.60 is: 3,007,418,128.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786,650,072.64 : 5,226,096,209.76 = 2,179,072,029.60 : x
  2. Step 2: Convert to fraction form
    3,786,650,072.64/5,226,096,209.76 = 2,179,072,029.60/x
  3. Step 3: Cross multiply
    3,786,650,072.64x = 5,226,096,209.76 × 2,179,072,029.60
  4. Step 4: Simplify right side
    3,786,650,072.64x = 11,388,040,074,686,590,976
  5. Step 5: Solve for x
    x = 11,388,040,074,686,590,976/3,786,650,072.64
  6. Step 6: Final answer
    x = 3,007,418,128.49

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1.5x scale

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.