Home / 516,465,690.73-774,702,021.62-188,806,406.48

Finding the Fourth Proportional to 516,465,690.73, 774,702,021.62 and 188,806,406.48

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Solution

The fourth proportional to 516,465,690.73, 774,702,021.62 and 188,806,406.48 is: 283,210,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,465,690.73 : 774,702,021.62 = 188,806,406.48 : x
  2. Step 2: Convert to fraction form
    516,465,690.73/774,702,021.62 = 188,806,406.48/x
  3. Step 3: Cross multiply
    516,465,690.73x = 774,702,021.62 × 188,806,406.48
  4. Step 4: Simplify right side
    516,465,690.73x = 146,268,704,794,863,456
  5. Step 5: Solve for x
    x = 146,268,704,794,863,456/516,465,690.73
  6. Step 6: Final answer
    x = 283,210,883.94

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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.