Home / 428,940,295.28-591,890,244.72-240,725,420.60

Finding the Fourth Proportional to 428,940,295.28, 591,890,244.72 and 240,725,420.60

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Solution

The fourth proportional to 428,940,295.28, 591,890,244.72 and 240,725,420.60 is: 332,174,499.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,940,295.28 : 591,890,244.72 = 240,725,420.60 : x
  2. Step 2: Convert to fraction form
    428,940,295.28/591,890,244.72 = 240,725,420.60/x
  3. Step 3: Cross multiply
    428,940,295.28x = 591,890,244.72 × 240,725,420.60
  4. Step 4: Simplify right side
    428,940,295.28x = 142,483,028,109,258,928
  5. Step 5: Solve for x
    x = 142,483,028,109,258,928/428,940,295.28
  6. Step 6: Final answer
    x = 332,174,499.99

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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.