Home / 412,777,256.21-619,255,463.84-125,555,455.25

Finding the Fourth Proportional to 412,777,256.21, 619,255,463.84 and 125,555,455.25

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Solution

The fourth proportional to 412,777,256.21, 619,255,463.84 and 125,555,455.25 is: 188,360,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,777,256.21 : 619,255,463.84 = 125,555,455.25 : x
  2. Step 2: Convert to fraction form
    412,777,256.21/619,255,463.84 = 125,555,455.25/x
  3. Step 3: Cross multiply
    412,777,256.21x = 619,255,463.84 × 125,555,455.25
  4. Step 4: Simplify right side
    412,777,256.21x = 77,750,901,677,853,344
  5. Step 5: Solve for x
    x = 77,750,901,677,853,344/412,777,256.21
  6. Step 6: Final answer
    x = 188,360,430.49

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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.