Home / 2,556,869,407.72-3,835,415,736.06-810,200,864.68

Finding the Fourth Proportional to 2,556,869,407.72, 3,835,415,736.06 and 810,200,864.68

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Solution

The fourth proportional to 2,556,869,407.72, 3,835,415,736.06 and 810,200,864.68 is: 1,215,336,667.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,869,407.72 : 3,835,415,736.06 = 810,200,864.68 : x
  2. Step 2: Convert to fraction form
    2,556,869,407.72/3,835,415,736.06 = 810,200,864.68/x
  3. Step 3: Cross multiply
    2,556,869,407.72x = 3,835,415,736.06 × 810,200,864.68
  4. Step 4: Simplify right side
    2,556,869,407.72x = 3,107,457,145,763,090,432
  5. Step 5: Solve for x
    x = 3,107,457,145,763,090,432/2,556,869,407.72
  6. Step 6: Final answer
    x = 1,215,336,667.72

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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.