Home / 674,123,171.51-1,011,184,757.26-189,448,979.51

Finding the Fourth Proportional to 674,123,171.51, 1,011,184,757.26 and 189,448,979.51

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Solution

The fourth proportional to 674,123,171.51, 1,011,184,757.26 and 189,448,979.51 is: 284,173,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,123,171.51 : 1,011,184,757.26 = 189,448,979.51 : x
  2. Step 2: Convert to fraction form
    674,123,171.51/1,011,184,757.26 = 189,448,979.51/x
  3. Step 3: Cross multiply
    674,123,171.51x = 1,011,184,757.26 × 189,448,979.51
  4. Step 4: Simplify right side
    674,123,171.51x = 191,567,920,357,176,352
  5. Step 5: Solve for x
    x = 191,567,920,357,176,352/674,123,171.51
  6. Step 6: Final answer
    x = 284,173,469.26

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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.