Home / 229,383,258,447.54-343,980,221,553.36-78,301,728,848.30

Finding the Fourth Proportional to 229,383,258,447.54, 343,980,221,553.36 and 78,301,728,848.30

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Solution

The fourth proportional to 229,383,258,447.54, 343,980,221,553.36 and 78,301,728,848.30 is: 117,420,278,269.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,383,258,447.54 : 343,980,221,553.36 = 78,301,728,848.30 : x
  2. Step 2: Convert to fraction form
    229,383,258,447.54/343,980,221,553.36 = 78,301,728,848.30/x
  3. Step 3: Cross multiply
    229,383,258,447.54x = 343,980,221,553.36 × 78,301,728,848.30
  4. Step 4: Simplify right side
    229,383,258,447.54x = 26,934,246,037,247,632,605,184
  5. Step 5: Solve for x
    x = 26,934,246,037,247,632,605,184/229,383,258,447.54
  6. Step 6: Final answer
    x = 117,420,278,269.38

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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.