Home / 491,242,020,607.33-677,949,068,350.12-271,505,985,675.34

Finding the Fourth Proportional to 491,242,020,607.33, 677,949,068,350.12 and 271,505,985,675.34

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Solution

The fourth proportional to 491,242,020,607.33, 677,949,068,350.12 and 271,505,985,675.34 is: 374,697,648,650.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,242,020,607.33 : 677,949,068,350.12 = 271,505,985,675.34 : x
  2. Step 2: Convert to fraction form
    491,242,020,607.33/677,949,068,350.12 = 271,505,985,675.34/x
  3. Step 3: Cross multiply
    491,242,020,607.33x = 677,949,068,350.12 × 271,505,985,675.34
  4. Step 4: Simplify right side
    491,242,020,607.33x = 184,067,230,040,077,774,094,336
  5. Step 5: Solve for x
    x = 184,067,230,040,077,774,094,336/491,242,020,607.33
  6. Step 6: Final answer
    x = 374,697,648,650.89

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Double scale
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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.