Home / 1,086,101,336.80-1,629,152,005.20-396,031,103.20

Finding the Fourth Proportional to 1,086,101,336.80, 1,629,152,005.20 and 396,031,103.20

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Solution

The fourth proportional to 1,086,101,336.80, 1,629,152,005.20 and 396,031,103.20 is: 594,046,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,101,336.80 : 1,629,152,005.20 = 396,031,103.20 : x
  2. Step 2: Convert to fraction form
    1,086,101,336.80/1,629,152,005.20 = 396,031,103.20/x
  3. Step 3: Cross multiply
    1,086,101,336.80x = 1,629,152,005.20 × 396,031,103.20
  4. Step 4: Simplify right side
    1,086,101,336.80x = 645,194,865,899,848,192
  5. Step 5: Solve for x
    x = 645,194,865,899,848,192/1,086,101,336.80
  6. Step 6: Final answer
    x = 594,046,654.80

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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.