Home / 229,383,258,450.54-343,980,221,557.86-78,301,728,851.30

Finding the Fourth Proportional to 229,383,258,450.54, 343,980,221,557.86 and 78,301,728,851.30

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Solution

The fourth proportional to 229,383,258,450.54, 343,980,221,557.86 and 78,301,728,851.30 is: 117,420,278,273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,383,258,450.54 : 343,980,221,557.86 = 78,301,728,851.30 : x
  2. Step 2: Convert to fraction form
    229,383,258,450.54/343,980,221,557.86 = 78,301,728,851.30/x
  3. Step 3: Cross multiply
    229,383,258,450.54x = 343,980,221,557.86 × 78,301,728,851.30
  4. Step 4: Simplify right side
    229,383,258,450.54x = 26,934,246,038,633,652,944,896
  5. Step 5: Solve for x
    x = 26,934,246,038,633,652,944,896/229,383,258,450.54
  6. Step 6: Final answer
    x = 117,420,278,273.89

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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.