Home / 412,928,136.30-619,392,204.45-238,349,767.80

Finding the Fourth Proportional to 412,928,136.30, 619,392,204.45 and 238,349,767.80

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Solution

The fourth proportional to 412,928,136.30, 619,392,204.45 and 238,349,767.80 is: 357,524,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,928,136.30 : 619,392,204.45 = 238,349,767.80 : x
  2. Step 2: Convert to fraction form
    412,928,136.30/619,392,204.45 = 238,349,767.80/x
  3. Step 3: Cross multiply
    412,928,136.30x = 619,392,204.45 × 238,349,767.80
  4. Step 4: Simplify right side
    412,928,136.30x = 147,631,988,107,787,648
  5. Step 5: Solve for x
    x = 147,631,988,107,787,648/412,928,136.30
  6. Step 6: Final answer
    x = 357,524,651.70

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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.