Home / 5,199,510,825.12-7,175,324,938.56-2,971,890,843.12

Finding the Fourth Proportional to 5,199,510,825.12, 7,175,324,938.56 and 2,971,890,843.12

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Solution

The fourth proportional to 5,199,510,825.12, 7,175,324,938.56 and 2,971,890,843.12 is: 4,101,209,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,510,825.12 : 7,175,324,938.56 = 2,971,890,843.12 : x
  2. Step 2: Convert to fraction form
    5,199,510,825.12/7,175,324,938.56 = 2,971,890,843.12/x
  3. Step 3: Cross multiply
    5,199,510,825.12x = 7,175,324,938.56 × 2,971,890,843.12
  4. Step 4: Simplify right side
    5,199,510,825.12x = 21,324,282,481,317,040,128
  5. Step 5: Solve for x
    x = 21,324,282,481,317,040,128/5,199,510,825.12
  6. Step 6: Final answer
    x = 4,101,209,363.45

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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.