Home / 10,155,624,760.96-15,226,482,713.28-5,171,699,155.84

Finding the Fourth Proportional to 10,155,624,760.96, 15,226,482,713.28 and 5,171,699,155.84

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Solution

The fourth proportional to 10,155,624,760.96, 15,226,482,713.28 and 5,171,699,155.84 is: 7,754,007,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155,624,760.96 : 15,226,482,713.28 = 5,171,699,155.84 : x
  2. Step 2: Convert to fraction form
    10,155,624,760.96/15,226,482,713.28 = 5,171,699,155.84/x
  3. Step 3: Cross multiply
    10,155,624,760.96x = 15,226,482,713.28 × 5,171,699,155.84
  4. Step 4: Simplify right side
    10,155,624,760.96x = 78,746,787,794,682,527,744
  5. Step 5: Solve for x
    x = 78,746,787,794,682,527,744/10,155,624,760.96
  6. Step 6: Final answer
    x = 7,754,007,227.34

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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.