Home / 499,574,196.11-689,420,556.02-273,509,410.43

Finding the Fourth Proportional to 499,574,196.11, 689,420,556.02 and 273,509,410.43

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Solution

The fourth proportional to 499,574,196.11, 689,420,556.02 and 273,509,410.43 is: 377,447,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,574,196.11 : 689,420,556.02 = 273,509,410.43 : x
  2. Step 2: Convert to fraction form
    499,574,196.11/689,420,556.02 = 273,509,410.43/x
  3. Step 3: Cross multiply
    499,574,196.11x = 689,420,556.02 × 273,509,410.43
  4. Step 4: Simplify right side
    499,574,196.11x = 188,563,009,815,352,992
  5. Step 5: Solve for x
    x = 188,563,009,815,352,992/499,574,196.11
  6. Step 6: Final answer
    x = 377,447,456.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.