Home / 2,413,698,964.80-3,619,698,141.60-861,040,939.20

Finding the Fourth Proportional to 2,413,698,964.80, 3,619,698,141.60 and 861,040,939.20

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Solution

The fourth proportional to 2,413,698,964.80, 3,619,698,141.60 and 861,040,939.20 is: 1,291,258,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413,698,964.80 : 3,619,698,141.60 = 861,040,939.20 : x
  2. Step 2: Convert to fraction form
    2,413,698,964.80/3,619,698,141.60 = 861,040,939.20/x
  3. Step 3: Cross multiply
    2,413,698,964.80x = 3,619,698,141.60 × 861,040,939.20
  4. Step 4: Simplify right side
    2,413,698,964.80x = 3,116,708,287,463,758,848
  5. Step 5: Solve for x
    x = 3,116,708,287,463,758,848/2,413,698,964.80
  6. Step 6: Final answer
    x = 1,291,258,078.54

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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.