Home / 516,387,884-774,581,352.74-161,864,716.37

Finding the Fourth Proportional to 516,387,884, 774,581,352.74 and 161,864,716.37

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Solution

The fourth proportional to 516,387,884, 774,581,352.74 and 161,864,716.37 is: 242,796,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,387,884 : 774,581,352.74 = 161,864,716.37 : x
  2. Step 2: Convert to fraction form
    516,387,884/774,581,352.74 = 161,864,716.37/x
  3. Step 3: Cross multiply
    516,387,884x = 774,581,352.74 × 161,864,716.37
  4. Step 4: Simplify right side
    516,387,884x = 125,377,390,965,941,712
  5. Step 5: Solve for x
    x = 125,377,390,965,941,712/516,387,884
  6. Step 6: Final answer
    x = 242,796,926.21

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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.