Home / 1,112,349,176.82-1,536,315,869.49-732,568,917.65

Finding the Fourth Proportional to 1,112,349,176.82, 1,536,315,869.49 and 732,568,917.65

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Solution

The fourth proportional to 1,112,349,176.82, 1,536,315,869.49 and 732,568,917.65 is: 1,011,784,138.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,349,176.82 : 1,536,315,869.49 = 732,568,917.65 : x
  2. Step 2: Convert to fraction form
    1,112,349,176.82/1,536,315,869.49 = 732,568,917.65/x
  3. Step 3: Cross multiply
    1,112,349,176.82x = 1,536,315,869.49 × 732,568,917.65
  4. Step 4: Simplify right side
    1,112,349,176.82x = 1,125,457,253,674,078,720
  5. Step 5: Solve for x
    x = 1,125,457,253,674,078,720/1,112,349,176.82
  6. Step 6: Final answer
    x = 1,011,784,138.58

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Double scale
Find fourth proportional to 1,112,349,177.82, 1,536,315,870.87 and 732,568,918.65
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1.5x scale

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.