Home / 2,040,481,971.60-3,060,722,957.40-660,435,982.80

Finding the Fourth Proportional to 2,040,481,971.60, 3,060,722,957.40 and 660,435,982.80

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Solution

The fourth proportional to 2,040,481,971.60, 3,060,722,957.40 and 660,435,982.80 is: 990,653,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,481,971.60 : 3,060,722,957.40 = 660,435,982.80 : x
  2. Step 2: Convert to fraction form
    2,040,481,971.60/3,060,722,957.40 = 660,435,982.80/x
  3. Step 3: Cross multiply
    2,040,481,971.60x = 3,060,722,957.40 × 660,435,982.80
  4. Step 4: Simplify right side
    2,040,481,971.60x = 2,021,411,574,448,991,488
  5. Step 5: Solve for x
    x = 2,021,411,574,448,991,488/2,040,481,971.60
  6. Step 6: Final answer
    x = 990,653,974.20

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Half scale
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Double scale
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Similar ratio
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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.