Home / 674,062,015.28-1,011,203,685.11-207,723,518.28

Finding the Fourth Proportional to 674,062,015.28, 1,011,203,685.11 and 207,723,518.28

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Solution

The fourth proportional to 674,062,015.28, 1,011,203,685.11 and 207,723,518.28 is: 311,619,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,062,015.28 : 1,011,203,685.11 = 207,723,518.28 : x
  2. Step 2: Convert to fraction form
    674,062,015.28/1,011,203,685.11 = 207,723,518.28/x
  3. Step 3: Cross multiply
    674,062,015.28x = 1,011,203,685.11 × 207,723,518.28
  4. Step 4: Simplify right side
    674,062,015.28x = 210,050,787,169,269,760
  5. Step 5: Solve for x
    x = 210,050,787,169,269,760/674,062,015.28
  6. Step 6: Final answer
    x = 311,619,379.83

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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.