Home / 412,928,106.80-619,392,160.20-238,349,738.30

Finding the Fourth Proportional to 412,928,106.80, 619,392,160.20 and 238,349,738.30

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Solution

The fourth proportional to 412,928,106.80, 619,392,160.20 and 238,349,738.30 is: 357,524,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,928,106.80 : 619,392,160.20 = 238,349,738.30 : x
  2. Step 2: Convert to fraction form
    412,928,106.80/619,392,160.20 = 238,349,738.30/x
  3. Step 3: Cross multiply
    412,928,106.80x = 619,392,160.20 × 238,349,738.30
  4. Step 4: Simplify right side
    412,928,106.80x = 147,631,959,288,741,696
  5. Step 5: Solve for x
    x = 147,631,959,288,741,696/412,928,106.80
  6. Step 6: Final answer
    x = 357,524,607.45

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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.