Home / 1,236,841,937.20-1,855,262,905.80-746,109,317.80

Finding the Fourth Proportional to 1,236,841,937.20, 1,855,262,905.80 and 746,109,317.80

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Solution

The fourth proportional to 1,236,841,937.20, 1,855,262,905.80 and 746,109,317.80 is: 1,119,163,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,841,937.20 : 1,855,262,905.80 = 746,109,317.80 : x
  2. Step 2: Convert to fraction form
    1,236,841,937.20/1,855,262,905.80 = 746,109,317.80/x
  3. Step 3: Cross multiply
    1,236,841,937.20x = 1,855,262,905.80 × 746,109,317.80
  4. Step 4: Simplify right side
    1,236,841,937.20x = 1,384,228,940,986,083,584
  5. Step 5: Solve for x
    x = 1,384,228,940,986,083,584/1,236,841,937.20
  6. Step 6: Final answer
    x = 1,119,163,976.70

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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.