Home / 229,383,258,450.04-343,980,221,557.11-78,301,728,850.80

Finding the Fourth Proportional to 229,383,258,450.04, 343,980,221,557.11 and 78,301,728,850.80

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Solution

The fourth proportional to 229,383,258,450.04, 343,980,221,557.11 and 78,301,728,850.80 is: 117,420,278,273.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,383,258,450.04 : 343,980,221,557.11 = 78,301,728,850.80 : x
  2. Step 2: Convert to fraction form
    229,383,258,450.04/343,980,221,557.11 = 78,301,728,850.80/x
  3. Step 3: Cross multiply
    229,383,258,450.04x = 343,980,221,557.11 × 78,301,728,850.80
  4. Step 4: Simplify right side
    229,383,258,450.04x = 26,934,246,038,402,936,864,768
  5. Step 5: Solve for x
    x = 26,934,246,038,402,936,864,768/229,383,258,450.04
  6. Step 6: Final answer
    x = 117,420,278,273.14

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Double scale
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1.5x scale

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.