Home / 3,845,465,870.40-5,768,135,771.40-1,225,234,380.96

Finding the Fourth Proportional to 3,845,465,870.40, 5,768,135,771.40 and 1,225,234,380.96

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Solution

The fourth proportional to 3,845,465,870.40, 5,768,135,771.40 and 1,225,234,380.96 is: 1,837,831,487.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845,465,870.40 : 5,768,135,771.40 = 1,225,234,380.96 : x
  2. Step 2: Convert to fraction form
    3,845,465,870.40/5,768,135,771.40 = 1,225,234,380.96/x
  3. Step 3: Cross multiply
    3,845,465,870.40x = 5,768,135,771.40 × 1,225,234,380.96
  4. Step 4: Simplify right side
    3,845,465,870.40x = 7,067,318,261,164,511,232
  5. Step 5: Solve for x
    x = 7,067,318,261,164,511,232/3,845,465,870.40
  6. Step 6: Final answer
    x = 1,837,831,487.61

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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.