Home / 5,291,298,609.30-7,936,968,712.32-2,143,572,680.52

Finding the Fourth Proportional to 5,291,298,609.30, 7,936,968,712.32 and 2,143,572,680.52

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Solution

The fourth proportional to 5,291,298,609.30, 7,936,968,712.32 and 2,143,572,680.52 is: 3,215,367,446.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291,298,609.30 : 7,936,968,712.32 = 2,143,572,680.52 : x
  2. Step 2: Convert to fraction form
    5,291,298,609.30/7,936,968,712.32 = 2,143,572,680.52/x
  3. Step 3: Cross multiply
    5,291,298,609.30x = 7,936,968,712.32 × 2,143,572,680.52
  4. Step 4: Simplify right side
    5,291,298,609.30x = 17,013,469,297,871,155,200
  5. Step 5: Solve for x
    x = 17,013,469,297,871,155,200/5,291,298,609.30
  6. Step 6: Final answer
    x = 3,215,367,446.47

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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.