Home / 491,242,020,605.01-677,949,068,346.90-271,505,985,673.02

Finding the Fourth Proportional to 491,242,020,605.01, 677,949,068,346.90 and 271,505,985,673.02

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Solution

The fourth proportional to 491,242,020,605.01, 677,949,068,346.90 and 271,505,985,673.02 is: 374,697,648,647.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,242,020,605.01 : 677,949,068,346.90 = 271,505,985,673.02 : x
  2. Step 2: Convert to fraction form
    491,242,020,605.01/677,949,068,346.90 = 271,505,985,673.02/x
  3. Step 3: Cross multiply
    491,242,020,605.01x = 677,949,068,346.90 × 271,505,985,673.02
  4. Step 4: Simplify right side
    491,242,020,605.01x = 184,067,230,037,630,682,923,008
  5. Step 5: Solve for x
    x = 184,067,230,037,630,682,923,008/491,242,020,605.01
  6. Step 6: Final answer
    x = 374,697,648,647.68

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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.