Home / 1,309,632,366.80-1,964,448,550.20-896,383,845.20

Finding the Fourth Proportional to 1,309,632,366.80, 1,964,448,550.20 and 896,383,845.20

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Solution

The fourth proportional to 1,309,632,366.80, 1,964,448,550.20 and 896,383,845.20 is: 1,344,575,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,632,366.80 : 1,964,448,550.20 = 896,383,845.20 : x
  2. Step 2: Convert to fraction form
    1,309,632,366.80/1,964,448,550.20 = 896,383,845.20/x
  3. Step 3: Cross multiply
    1,309,632,366.80x = 1,964,448,550.20 × 896,383,845.20
  4. Step 4: Simplify right side
    1,309,632,366.80x = 1,760,899,945,125,841,408
  5. Step 5: Solve for x
    x = 1,760,899,945,125,841,408/1,309,632,366.80
  6. Step 6: Final answer
    x = 1,344,575,767.80

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Double scale
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1.5x scale

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.