Home / 412,928,546.39-619,376,021.52-102,028,332.84

Finding the Fourth Proportional to 412,928,546.39, 619,376,021.52 and 102,028,332.84

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Solution

The fourth proportional to 412,928,546.39, 619,376,021.52 and 102,028,332.84 is: 153,038,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,928,546.39 : 619,376,021.52 = 102,028,332.84 : x
  2. Step 2: Convert to fraction form
    412,928,546.39/619,376,021.52 = 102,028,332.84/x
  3. Step 3: Cross multiply
    412,928,546.39x = 619,376,021.52 × 102,028,332.84
  4. Step 4: Simplify right side
    412,928,546.39x = 63,193,902,876,757,560
  5. Step 5: Solve for x
    x = 63,193,902,876,757,560/412,928,546.39
  6. Step 6: Final answer
    x = 153,038,348.71

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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.