Home / 930,857,848.20-1,396,286,772.30-412,738,302.60

Finding the Fourth Proportional to 930,857,848.20, 1,396,286,772.30 and 412,738,302.60

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Solution

The fourth proportional to 930,857,848.20, 1,396,286,772.30 and 412,738,302.60 is: 619,107,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,857,848.20 : 1,396,286,772.30 = 412,738,302.60 : x
  2. Step 2: Convert to fraction form
    930,857,848.20/1,396,286,772.30 = 412,738,302.60/x
  3. Step 3: Cross multiply
    930,857,848.20x = 1,396,286,772.30 × 412,738,302.60
  4. Step 4: Simplify right side
    930,857,848.20x = 576,301,032,341,934,720
  5. Step 5: Solve for x
    x = 576,301,032,341,934,720/930,857,848.20
  6. Step 6: Final answer
    x = 619,107,453.90

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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.