Home / 3,928,202,971.70-5,428,011,098.48-2,797,209,204.44

Finding the Fourth Proportional to 3,928,202,971.70, 5,428,011,098.48 and 2,797,209,204.44

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Solution

The fourth proportional to 3,928,202,971.70, 5,428,011,098.48 and 2,797,209,204.44 is: 3,865,198,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,202,971.70 : 5,428,011,098.48 = 2,797,209,204.44 : x
  2. Step 2: Convert to fraction form
    3,928,202,971.70/5,428,011,098.48 = 2,797,209,204.44/x
  3. Step 3: Cross multiply
    3,928,202,971.70x = 5,428,011,098.48 × 2,797,209,204.44
  4. Step 4: Simplify right side
    3,928,202,971.70x = 15,183,282,606,429,605,888
  5. Step 5: Solve for x
    x = 15,183,282,606,429,605,888/3,928,202,971.70
  6. Step 6: Final answer
    x = 3,865,198,085.70

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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.