Home / 354,258,217.24-488,973,576.64-205,627,222.56

Finding the Fourth Proportional to 354,258,217.24, 488,973,576.64 and 205,627,222.56

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Solution

The fourth proportional to 354,258,217.24, 488,973,576.64 and 205,627,222.56 is: 283,822,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,258,217.24 : 488,973,576.64 = 205,627,222.56 : x
  2. Step 2: Convert to fraction form
    354,258,217.24/488,973,576.64 = 205,627,222.56/x
  3. Step 3: Cross multiply
    354,258,217.24x = 488,973,576.64 × 205,627,222.56
  4. Step 4: Simplify right side
    354,258,217.24x = 100,546,278,469,712,496
  5. Step 5: Solve for x
    x = 100,546,278,469,712,496/354,258,217.24
  6. Step 6: Final answer
    x = 283,822,007.72

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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.