Home / 893,617,835.11-1,233,203,769.24-491,777,815.76

Finding the Fourth Proportional to 893,617,835.11, 1,233,203,769.24 and 491,777,815.76

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Solution

The fourth proportional to 893,617,835.11, 1,233,203,769.24 and 491,777,815.76 is: 678,659,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,617,835.11 : 1,233,203,769.24 = 491,777,815.76 : x
  2. Step 2: Convert to fraction form
    893,617,835.11/1,233,203,769.24 = 491,777,815.76/x
  3. Step 3: Cross multiply
    893,617,835.11x = 1,233,203,769.24 × 491,777,815.76
  4. Step 4: Simplify right side
    893,617,835.11x = 606,462,256,015,221,248
  5. Step 5: Solve for x
    x = 606,462,256,015,221,248/893,617,835.11
  6. Step 6: Final answer
    x = 678,659,525.57

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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.