Home / 377,098,346.37-520,634,811.33-258,219,871.71

Finding the Fourth Proportional to 377,098,346.37, 520,634,811.33 and 258,219,871.71

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Solution

The fourth proportional to 377,098,346.37, 520,634,811.33 and 258,219,871.71 is: 356,507,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,098,346.37 : 520,634,811.33 = 258,219,871.71 : x
  2. Step 2: Convert to fraction form
    377,098,346.37/520,634,811.33 = 258,219,871.71/x
  3. Step 3: Cross multiply
    377,098,346.37x = 520,634,811.33 × 258,219,871.71
  4. Step 4: Simplify right side
    377,098,346.37x = 134,438,254,189,392,656
  5. Step 5: Solve for x
    x = 134,438,254,189,392,656/377,098,346.37
  6. Step 6: Final answer
    x = 356,507,143.25

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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.