Home / 7,145,722,134.60-10,719,095,149.26-1,905,302,893.64

Finding the Fourth Proportional to 7,145,722,134.60, 10,719,095,149.26 and 1,905,302,893.64

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Solution

The fourth proportional to 7,145,722,134.60, 10,719,095,149.26 and 1,905,302,893.64 is: 2,858,090,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,722,134.60 : 10,719,095,149.26 = 1,905,302,893.64 : x
  2. Step 2: Convert to fraction form
    7,145,722,134.60/10,719,095,149.26 = 1,905,302,893.64/x
  3. Step 3: Cross multiply
    7,145,722,134.60x = 10,719,095,149.26 × 1,905,302,893.64
  4. Step 4: Simplify right side
    7,145,722,134.60x = 20,423,123,005,087,567,872
  5. Step 5: Solve for x
    x = 20,423,123,005,087,567,872/7,145,722,134.60
  6. Step 6: Final answer
    x = 2,858,090,843.78

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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.