Home / 2,799,362,836.20-4,199,044,254.30-2,783,238,522.60

Finding the Fourth Proportional to 2,799,362,836.20, 4,199,044,254.30 and 2,783,238,522.60

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Solution

The fourth proportional to 2,799,362,836.20, 4,199,044,254.30 and 2,783,238,522.60 is: 4,174,857,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,362,836.20 : 4,199,044,254.30 = 2,783,238,522.60 : x
  2. Step 2: Convert to fraction form
    2,799,362,836.20/4,199,044,254.30 = 2,783,238,522.60/x
  3. Step 3: Cross multiply
    2,799,362,836.20x = 4,199,044,254.30 × 2,783,238,522.60
  4. Step 4: Simplify right side
    2,799,362,836.20x = 11,686,941,726,669,950,976
  5. Step 5: Solve for x
    x = 11,686,941,726,669,950,976/2,799,362,836.20
  6. Step 6: Final answer
    x = 4,174,857,783.90

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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.