Home / 521,522,495,999.55-782,283,743,999.32-521,522,495,999.55

Finding the Fourth Proportional to 521,522,495,999.55, 782,283,743,999.32 and 521,522,495,999.55

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Solution

The fourth proportional to 521,522,495,999.55, 782,283,743,999.32 and 521,522,495,999.55 is: 782,283,743,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,522,495,999.55 : 782,283,743,999.32 = 521,522,495,999.55 : x
  2. Step 2: Convert to fraction form
    521,522,495,999.55/782,283,743,999.32 = 521,522,495,999.55/x
  3. Step 3: Cross multiply
    521,522,495,999.55x = 782,283,743,999.32 × 521,522,495,999.55
  4. Step 4: Simplify right side
    521,522,495,999.55x = 407,978,570,750,398,325,325,824
  5. Step 5: Solve for x
    x = 407,978,570,750,398,325,325,824/521,522,495,999.55
  6. Step 6: Final answer
    x = 782,283,743,999.32

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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.