Home / 378,351,408.29-567,478,298.59-119,592,785.39

Finding the Fourth Proportional to 378,351,408.29, 567,478,298.59 and 119,592,785.39

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Solution

The fourth proportional to 378,351,408.29, 567,478,298.59 and 119,592,785.39 is: 179,373,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,351,408.29 : 567,478,298.59 = 119,592,785.39 : x
  2. Step 2: Convert to fraction form
    378,351,408.29/567,478,298.59 = 119,592,785.39/x
  3. Step 3: Cross multiply
    378,351,408.29x = 567,478,298.59 × 119,592,785.39
  4. Step 4: Simplify right side
    378,351,408.29x = 67,866,310,373,619,840
  5. Step 5: Solve for x
    x = 67,866,310,373,619,840/378,351,408.29
  6. Step 6: Final answer
    x = 179,373,748.55

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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.