Home / 1,089,770,488.13-1,635,165,922.85-476,274,997.73

Finding the Fourth Proportional to 1,089,770,488.13, 1,635,165,922.85 and 476,274,997.73

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Solution

The fourth proportional to 1,089,770,488.13, 1,635,165,922.85 and 476,274,997.73 is: 714,635,471.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,770,488.13 : 1,635,165,922.85 = 476,274,997.73 : x
  2. Step 2: Convert to fraction form
    1,089,770,488.13/1,635,165,922.85 = 476,274,997.73/x
  3. Step 3: Cross multiply
    1,089,770,488.13x = 1,635,165,922.85 × 476,274,997.73
  4. Step 4: Simplify right side
    1,089,770,488.13x = 778,788,646,193,557,120
  5. Step 5: Solve for x
    x = 778,788,646,193,557,120/1,089,770,488.13
  6. Step 6: Final answer
    x = 714,635,471.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.