Home / 1,236,841,937.70-1,855,262,906.55-746,109,318.30

Finding the Fourth Proportional to 1,236,841,937.70, 1,855,262,906.55 and 746,109,318.30

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Solution

The fourth proportional to 1,236,841,937.70, 1,855,262,906.55 and 746,109,318.30 is: 1,119,163,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,841,937.70 : 1,855,262,906.55 = 746,109,318.30 : x
  2. Step 2: Convert to fraction form
    1,236,841,937.70/1,855,262,906.55 = 746,109,318.30/x
  3. Step 3: Cross multiply
    1,236,841,937.70x = 1,855,262,906.55 × 746,109,318.30
  4. Step 4: Simplify right side
    1,236,841,937.70x = 1,384,228,942,473,296,896
  5. Step 5: Solve for x
    x = 1,384,228,942,473,296,896/1,236,841,937.70
  6. Step 6: Final answer
    x = 1,119,163,977.45

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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.