Home / 674,123,171.76-1,011,184,757.64-189,448,979.76

Finding the Fourth Proportional to 674,123,171.76, 1,011,184,757.64 and 189,448,979.76

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Solution

The fourth proportional to 674,123,171.76, 1,011,184,757.64 and 189,448,979.76 is: 284,173,469.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,123,171.76 : 1,011,184,757.64 = 189,448,979.76 : x
  2. Step 2: Convert to fraction form
    674,123,171.76/1,011,184,757.64 = 189,448,979.76/x
  3. Step 3: Cross multiply
    674,123,171.76x = 1,011,184,757.64 × 189,448,979.76
  4. Step 4: Simplify right side
    674,123,171.76x = 191,567,920,680,759,296
  5. Step 5: Solve for x
    x = 191,567,920,680,759,296/674,123,171.76
  6. Step 6: Final answer
    x = 284,173,469.64

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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.