Home / 491,242,020,605.40-677,949,068,347.45-271,505,985,673.39

Finding the Fourth Proportional to 491,242,020,605.40, 677,949,068,347.45 and 271,505,985,673.39

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Solution

The fourth proportional to 491,242,020,605.40, 677,949,068,347.45 and 271,505,985,673.39 is: 374,697,648,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,242,020,605.40 : 677,949,068,347.45 = 271,505,985,673.39 : x
  2. Step 2: Convert to fraction form
    491,242,020,605.40/677,949,068,347.45 = 271,505,985,673.39/x
  3. Step 3: Cross multiply
    491,242,020,605.40x = 677,949,068,347.45 × 271,505,985,673.39
  4. Step 4: Simplify right side
    491,242,020,605.40x = 184,067,230,038,030,853,079,040
  5. Step 5: Solve for x
    x = 184,067,230,038,030,853,079,040/491,242,020,605.40
  6. Step 6: Final answer
    x = 374,697,648,648.19

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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.