Home / 610,847,142.75-842,961,971.12-332,383,868.55

Finding the Fourth Proportional to 610,847,142.75, 842,961,971.12 and 332,383,868.55

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Solution

The fourth proportional to 610,847,142.75, 842,961,971.12 and 332,383,868.55 is: 458,685,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,847,142.75 : 842,961,971.12 = 332,383,868.55 : x
  2. Step 2: Convert to fraction form
    610,847,142.75/842,961,971.12 = 332,383,868.55/x
  3. Step 3: Cross multiply
    610,847,142.75x = 842,961,971.12 × 332,383,868.55
  4. Step 4: Simplify right side
    610,847,142.75x = 280,186,960,999,750,336
  5. Step 5: Solve for x
    x = 280,186,960,999,750,336/610,847,142.75
  6. Step 6: Final answer
    x = 458,685,882.92

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Double scale
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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.