Home / 628,265,149.61-867,100,163.33-477,309,397.61

Finding the Fourth Proportional to 628,265,149.61, 867,100,163.33 and 477,309,397.61

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Solution

The fourth proportional to 628,265,149.61, 867,100,163.33 and 477,309,397.61 is: 658,758,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,265,149.61 : 867,100,163.33 = 477,309,397.61 : x
  2. Step 2: Convert to fraction form
    628,265,149.61/867,100,163.33 = 477,309,397.61/x
  3. Step 3: Cross multiply
    628,265,149.61x = 867,100,163.33 × 477,309,397.61
  4. Step 4: Simplify right side
    628,265,149.61x = 413,875,056,629,935,936
  5. Step 5: Solve for x
    x = 413,875,056,629,935,936/628,265,149.61
  6. Step 6: Final answer
    x = 658,758,578.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.