Home / 384,182,857.31-576,188,037.23-176,722,019.78

Finding the Fourth Proportional to 384,182,857.31, 576,188,037.23 and 176,722,019.78

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Solution

The fourth proportional to 384,182,857.31, 576,188,037.23 and 176,722,019.78 is: 265,043,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,182,857.31 : 576,188,037.23 = 176,722,019.78 : x
  2. Step 2: Convert to fraction form
    384,182,857.31/576,188,037.23 = 176,722,019.78/x
  3. Step 3: Cross multiply
    384,182,857.31x = 576,188,037.23 × 176,722,019.78
  4. Step 4: Simplify right side
    384,182,857.31x = 101,825,113,708,594,896
  5. Step 5: Solve for x
    x = 101,825,113,708,594,896/384,182,857.31
  6. Step 6: Final answer
    x = 265,043,355.72

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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.