Home / 18,954,930,285.60-28,432,395,428.40-13,444,949,997.60

Finding the Fourth Proportional to 18,954,930,285.60, 28,432,395,428.40 and 13,444,949,997.60

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Solution

The fourth proportional to 18,954,930,285.60, 28,432,395,428.40 and 13,444,949,997.60 is: 20,167,424,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,930,285.60 : 28,432,395,428.40 = 13,444,949,997.60 : x
  2. Step 2: Convert to fraction form
    18,954,930,285.60/28,432,395,428.40 = 13,444,949,997.60/x
  3. Step 3: Cross multiply
    18,954,930,285.60x = 28,432,395,428.40 × 13,444,949,997.60
  4. Step 4: Simplify right side
    18,954,930,285.60x = 382,272,134,846,828,838,912
  5. Step 5: Solve for x
    x = 382,272,134,846,828,838,912/18,954,930,285.60
  6. Step 6: Final answer
    x = 20,167,424,996.40

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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.