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Finding the Fourth Proportional to 364,135,999.60, 546,203,999.40 and 364,135,999.60

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Solution

The fourth proportional to 364,135,999.60, 546,203,999.40 and 364,135,999.60 is: 546,203,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,135,999.60 : 546,203,999.40 = 364,135,999.60 : x
  2. Step 2: Convert to fraction form
    364,135,999.60/546,203,999.40 = 364,135,999.60/x
  3. Step 3: Cross multiply
    364,135,999.60x = 546,203,999.40 × 364,135,999.60
  4. Step 4: Simplify right side
    364,135,999.60x = 198,892,539,307,036,800
  5. Step 5: Solve for x
    x = 198,892,539,307,036,800/364,135,999.60
  6. Step 6: Final answer
    x = 546,203,999.40

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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.