Home / 3,868,318,456.67-5,338,297,548.05-2,197,659,271.43

Finding the Fourth Proportional to 3,868,318,456.67, 5,338,297,548.05 and 2,197,659,271.43

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Solution

The fourth proportional to 3,868,318,456.67, 5,338,297,548.05 and 2,197,659,271.43 is: 3,032,780,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,318,456.67 : 5,338,297,548.05 = 2,197,659,271.43 : x
  2. Step 2: Convert to fraction form
    3,868,318,456.67/5,338,297,548.05 = 2,197,659,271.43/x
  3. Step 3: Cross multiply
    3,868,318,456.67x = 5,338,297,548.05 × 2,197,659,271.43
  4. Step 4: Simplify right side
    3,868,318,456.67x = 11,731,759,100,124,116,992
  5. Step 5: Solve for x
    x = 11,731,759,100,124,116,992/3,868,318,456.67
  6. Step 6: Final answer
    x = 3,032,780,064.91

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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.