Home / 516,387,884.50-774,581,353.48-161,864,716.87

Finding the Fourth Proportional to 516,387,884.50, 774,581,353.48 and 161,864,716.87

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Solution

The fourth proportional to 516,387,884.50, 774,581,353.48 and 161,864,716.87 is: 242,796,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,387,884.50 : 774,581,353.48 = 161,864,716.87 : x
  2. Step 2: Convert to fraction form
    516,387,884.50/774,581,353.48 = 161,864,716.87/x
  3. Step 3: Cross multiply
    516,387,884.50x = 774,581,353.48 × 161,864,716.87
  4. Step 4: Simplify right side
    516,387,884.50x = 125,377,391,473,821,600
  5. Step 5: Solve for x
    x = 125,377,391,473,821,600/516,387,884.50
  6. Step 6: Final answer
    x = 242,796,926.96

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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.