Home / 491,242,020,606.40-677,949,068,348.83-271,505,985,674.39

Finding the Fourth Proportional to 491,242,020,606.40, 677,949,068,348.83 and 271,505,985,674.39

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Solution

The fourth proportional to 491,242,020,606.40, 677,949,068,348.83 and 271,505,985,674.39 is: 374,697,648,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,242,020,606.40 : 677,949,068,348.83 = 271,505,985,674.39 : x
  2. Step 2: Convert to fraction form
    491,242,020,606.40/677,949,068,348.83 = 271,505,985,674.39/x
  3. Step 3: Cross multiply
    491,242,020,606.40x = 677,949,068,348.83 × 271,505,985,674.39
  4. Step 4: Simplify right side
    491,242,020,606.40x = 184,067,230,039,083,489,165,312
  5. Step 5: Solve for x
    x = 184,067,230,039,083,489,165,312/491,242,020,606.40
  6. Step 6: Final answer
    x = 374,697,648,649.57

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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.