Home / 516,387,885-774,581,354.24-161,864,717.37

Finding the Fourth Proportional to 516,387,885, 774,581,354.24 and 161,864,717.37

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Solution

The fourth proportional to 516,387,885, 774,581,354.24 and 161,864,717.37 is: 242,796,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,387,885 : 774,581,354.24 = 161,864,717.37 : x
  2. Step 2: Convert to fraction form
    516,387,885/774,581,354.24 = 161,864,717.37/x
  3. Step 3: Cross multiply
    516,387,885x = 774,581,354.24 × 161,864,717.37
  4. Step 4: Simplify right side
    516,387,885x = 125,377,391,983,320,128
  5. Step 5: Solve for x
    x = 125,377,391,983,320,128/516,387,885
  6. Step 6: Final answer
    x = 242,796,927.71

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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.