Home / 857,848,791.27-1,286,185,743.76-436,855,239.01

Finding the Fourth Proportional to 857,848,791.27, 1,286,185,743.76 and 436,855,239.01

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Solution

The fourth proportional to 857,848,791.27, 1,286,185,743.76 and 436,855,239.01 is: 654,983,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,848,791.27 : 1,286,185,743.76 = 436,855,239.01 : x
  2. Step 2: Convert to fraction form
    857,848,791.27/1,286,185,743.76 = 436,855,239.01/x
  3. Step 3: Cross multiply
    857,848,791.27x = 1,286,185,743.76 × 436,855,239.01
  4. Step 4: Simplify right side
    857,848,791.27x = 561,876,980,501,529,408
  5. Step 5: Solve for x
    x = 561,876,980,501,529,408/857,848,791.27
  6. Step 6: Final answer
    x = 654,983,706.01

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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.