Home / 491,242,020,606.81-677,949,068,349.36-271,505,985,674.79

Finding the Fourth Proportional to 491,242,020,606.81, 677,949,068,349.36 and 271,505,985,674.79

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Solution

The fourth proportional to 491,242,020,606.81, 677,949,068,349.36 and 271,505,985,674.79 is: 374,697,648,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,242,020,606.81 : 677,949,068,349.36 = 271,505,985,674.79 : x
  2. Step 2: Convert to fraction form
    491,242,020,606.81/677,949,068,349.36 = 271,505,985,674.79/x
  3. Step 3: Cross multiply
    491,242,020,606.81x = 677,949,068,349.36 × 271,505,985,674.79
  4. Step 4: Simplify right side
    491,242,020,606.81x = 184,067,230,039,498,557,489,152
  5. Step 5: Solve for x
    x = 184,067,230,039,498,557,489,152/491,242,020,606.81
  6. Step 6: Final answer
    x = 374,697,648,650.11

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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.