Home / 1,086,101,456.80-1,629,152,185.20-396,031,223.20

Finding the Fourth Proportional to 1,086,101,456.80, 1,629,152,185.20 and 396,031,223.20

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Solution

The fourth proportional to 1,086,101,456.80, 1,629,152,185.20 and 396,031,223.20 is: 594,046,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,101,456.80 : 1,629,152,185.20 = 396,031,223.20 : x
  2. Step 2: Convert to fraction form
    1,086,101,456.80/1,629,152,185.20 = 396,031,223.20/x
  3. Step 3: Cross multiply
    1,086,101,456.80x = 1,629,152,185.20 × 396,031,223.20
  4. Step 4: Simplify right side
    1,086,101,456.80x = 645,195,132,683,708,928
  5. Step 5: Solve for x
    x = 645,195,132,683,708,928/1,086,101,456.80
  6. Step 6: Final answer
    x = 594,046,834.80

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Double scale
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1.5x scale

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.