Home / 412,928,137.30-619,392,205.95-238,349,768.80

Finding the Fourth Proportional to 412,928,137.30, 619,392,205.95 and 238,349,768.80

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Solution

The fourth proportional to 412,928,137.30, 619,392,205.95 and 238,349,768.80 is: 357,524,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,928,137.30 : 619,392,205.95 = 238,349,768.80 : x
  2. Step 2: Convert to fraction form
    412,928,137.30/619,392,205.95 = 238,349,768.80/x
  3. Step 3: Cross multiply
    412,928,137.30x = 619,392,205.95 × 238,349,768.80
  4. Step 4: Simplify right side
    412,928,137.30x = 147,631,989,084,704,512
  5. Step 5: Solve for x
    x = 147,631,989,084,704,512/412,928,137.30
  6. Step 6: Final answer
    x = 357,524,653.20

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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.