Home / 378,123,429.60-567,185,146.56-119,520,267.84

Finding the Fourth Proportional to 378,123,429.60, 567,185,146.56 and 119,520,267.84

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Solution

The fourth proportional to 378,123,429.60, 567,185,146.56 and 119,520,267.84 is: 179,280,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,123,429.60 : 567,185,146.56 = 119,520,267.84 : x
  2. Step 2: Convert to fraction form
    378,123,429.60/567,185,146.56 = 119,520,267.84/x
  3. Step 3: Cross multiply
    378,123,429.60x = 567,185,146.56 × 119,520,267.84
  4. Step 4: Simplify right side
    378,123,429.60x = 67,790,120,631,720,848
  5. Step 5: Solve for x
    x = 67,790,120,631,720,848/378,123,429.60
  6. Step 6: Final answer
    x = 179,280,402.44

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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.