Home / 2,040,481,977.60-3,060,722,966.40-660,435,988.80

Finding the Fourth Proportional to 2,040,481,977.60, 3,060,722,966.40 and 660,435,988.80

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Solution

The fourth proportional to 2,040,481,977.60, 3,060,722,966.40 and 660,435,988.80 is: 990,653,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,481,977.60 : 3,060,722,966.40 = 660,435,988.80 : x
  2. Step 2: Convert to fraction form
    2,040,481,977.60/3,060,722,966.40 = 660,435,988.80/x
  3. Step 3: Cross multiply
    2,040,481,977.60x = 3,060,722,966.40 × 660,435,988.80
  4. Step 4: Simplify right side
    2,040,481,977.60x = 2,021,411,598,757,253,120
  5. Step 5: Solve for x
    x = 2,021,411,598,757,253,120/2,040,481,977.60
  6. Step 6: Final answer
    x = 990,653,983.20

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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.