Home / 7,145,722,133.60-10,719,095,147.76-1,905,302,892.64

Finding the Fourth Proportional to 7,145,722,133.60, 10,719,095,147.76 and 1,905,302,892.64

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Solution

The fourth proportional to 7,145,722,133.60, 10,719,095,147.76 and 1,905,302,892.64 is: 2,858,090,842.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,722,133.60 : 10,719,095,147.76 = 1,905,302,892.64 : x
  2. Step 2: Convert to fraction form
    7,145,722,133.60/10,719,095,147.76 = 1,905,302,892.64/x
  3. Step 3: Cross multiply
    7,145,722,133.60x = 10,719,095,147.76 × 1,905,302,892.64
  4. Step 4: Simplify right side
    7,145,722,133.60x = 20,423,122,991,510,519,808
  5. Step 5: Solve for x
    x = 20,423,122,991,510,519,808/7,145,722,133.60
  6. Step 6: Final answer
    x = 2,858,090,842.28

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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.