Home / 614,254,138.14-919,918,658.59-392,237,786.73

Finding the Fourth Proportional to 614,254,138.14, 919,918,658.59 and 392,237,786.73

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Solution

The fourth proportional to 614,254,138.14, 919,918,658.59 and 392,237,786.73 is: 587,422,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,254,138.14 : 919,918,658.59 = 392,237,786.73 : x
  2. Step 2: Convert to fraction form
    614,254,138.14/919,918,658.59 = 392,237,786.73/x
  3. Step 3: Cross multiply
    614,254,138.14x = 919,918,658.59 × 392,237,786.73
  4. Step 4: Simplify right side
    614,254,138.14x = 360,826,858,616,972,160
  5. Step 5: Solve for x
    x = 360,826,858,616,972,160/614,254,138.14
  6. Step 6: Final answer
    x = 587,422,755.85

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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.