Home / 471,220,999.52-650,330,911.77-351,936,500.59

Finding the Fourth Proportional to 471,220,999.52, 650,330,911.77 and 351,936,500.59

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Solution

The fourth proportional to 471,220,999.52, 650,330,911.77 and 351,936,500.59 is: 485,706,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,220,999.52 : 650,330,911.77 = 351,936,500.59 : x
  2. Step 2: Convert to fraction form
    471,220,999.52/650,330,911.77 = 351,936,500.59/x
  3. Step 3: Cross multiply
    471,220,999.52x = 650,330,911.77 × 351,936,500.59
  4. Step 4: Simplify right side
    471,220,999.52x = 228,875,185,313,837,824
  5. Step 5: Solve for x
    x = 228,875,185,313,837,824/471,220,999.52
  6. Step 6: Final answer
    x = 485,706,675.95

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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.