Home / 10,081,342,003.40-15,122,013,005.10-2,720,340,902.60

Finding the Fourth Proportional to 10,081,342,003.40, 15,122,013,005.10 and 2,720,340,902.60

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Solution

The fourth proportional to 10,081,342,003.40, 15,122,013,005.10 and 2,720,340,902.60 is: 4,080,511,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081,342,003.40 : 15,122,013,005.10 = 2,720,340,902.60 : x
  2. Step 2: Convert to fraction form
    10,081,342,003.40/15,122,013,005.10 = 2,720,340,902.60/x
  3. Step 3: Cross multiply
    10,081,342,003.40x = 15,122,013,005.10 × 2,720,340,902.60
  4. Step 4: Simplify right side
    10,081,342,003.40x = 41,137,030,507,422,670,848
  5. Step 5: Solve for x
    x = 41,137,030,507,422,670,848/10,081,342,003.40
  6. Step 6: Final answer
    x = 4,080,511,353.90

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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.