Home / 610,847,158.72-842,961,993.12-332,383,884.48

Finding the Fourth Proportional to 610,847,158.72, 842,961,993.12 and 332,383,884.48

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Solution

The fourth proportional to 610,847,158.72, 842,961,993.12 and 332,383,884.48 is: 458,685,904.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,847,158.72 : 842,961,993.12 = 332,383,884.48 : x
  2. Step 2: Convert to fraction form
    610,847,158.72/842,961,993.12 = 332,383,884.48/x
  3. Step 3: Cross multiply
    610,847,158.72x = 842,961,993.12 × 332,383,884.48
  4. Step 4: Simplify right side
    610,847,158.72x = 280,186,981,742,228,640
  5. Step 5: Solve for x
    x = 280,186,981,742,228,640/610,847,158.72
  6. Step 6: Final answer
    x = 458,685,904.88

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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.