Home / 884,735,999.90-1,327,103,999.85-809,489,203.10

Finding the Fourth Proportional to 884,735,999.90, 1,327,103,999.85 and 809,489,203.10

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Solution

The fourth proportional to 884,735,999.90, 1,327,103,999.85 and 809,489,203.10 is: 1,214,233,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,735,999.90 : 1,327,103,999.85 = 809,489,203.10 : x
  2. Step 2: Convert to fraction form
    884,735,999.90/1,327,103,999.85 = 809,489,203.10/x
  3. Step 3: Cross multiply
    884,735,999.90x = 1,327,103,999.85 × 809,489,203.10
  4. Step 4: Simplify right side
    884,735,999.90x = 1,074,276,359,269,398,912
  5. Step 5: Solve for x
    x = 1,074,276,359,269,398,912/884,735,999.90
  6. Step 6: Final answer
    x = 1,214,233,804.65

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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.