Home / 376,542,901.92-519,532,700.56-219,819,950.64

Finding the Fourth Proportional to 376,542,901.92, 519,532,700.56 and 219,819,950.64

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Solution

The fourth proportional to 376,542,901.92, 519,532,700.56 and 219,819,950.64 is: 303,295,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,542,901.92 : 519,532,700.56 = 219,819,950.64 : x
  2. Step 2: Convert to fraction form
    376,542,901.92/519,532,700.56 = 219,819,950.64/x
  3. Step 3: Cross multiply
    376,542,901.92x = 519,532,700.56 × 219,819,950.64
  4. Step 4: Simplify right side
    376,542,901.92x = 114,203,652,592,965,088
  5. Step 5: Solve for x
    x = 114,203,652,592,965,088/376,542,901.92
  6. Step 6: Final answer
    x = 303,295,194.28

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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.