Home / 377,177,608.71-520,059,768.03-258,157,533.87

Finding the Fourth Proportional to 377,177,608.71, 520,059,768.03 and 258,157,533.87

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Solution

The fourth proportional to 377,177,608.71, 520,059,768.03 and 258,157,533.87 is: 355,952,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,177,608.71 : 520,059,768.03 = 258,157,533.87 : x
  2. Step 2: Convert to fraction form
    377,177,608.71/520,059,768.03 = 258,157,533.87/x
  3. Step 3: Cross multiply
    377,177,608.71x = 520,059,768.03 × 258,157,533.87
  4. Step 4: Simplify right side
    377,177,608.71x = 134,257,347,179,629,056
  5. Step 5: Solve for x
    x = 134,257,347,179,629,056/377,177,608.71
  6. Step 6: Final answer
    x = 355,952,591.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.