Home / 541,709,109.72-811,184,253.21-356,916,346.25

Finding the Fourth Proportional to 541,709,109.72, 811,184,253.21 and 356,916,346.25

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Solution

The fourth proportional to 541,709,109.72, 811,184,253.21 and 356,916,346.25 is: 534,465,665.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,709,109.72 : 811,184,253.21 = 356,916,346.25 : x
  2. Step 2: Convert to fraction form
    541,709,109.72/811,184,253.21 = 356,916,346.25/x
  3. Step 3: Cross multiply
    541,709,109.72x = 811,184,253.21 × 356,916,346.25
  4. Step 4: Simplify right side
    541,709,109.72x = 289,524,919,787,192,128
  5. Step 5: Solve for x
    x = 289,524,919,787,192,128/541,709,109.72
  6. Step 6: Final answer
    x = 534,465,665.41

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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.