Home / 1,311,568,182.62-1,966,141,589.60-655,948,700.54

Finding the Fourth Proportional to 1,311,568,182.62, 1,966,141,589.60 and 655,948,700.54

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Solution

The fourth proportional to 1,311,568,182.62, 1,966,141,589.60 and 655,948,700.54 is: 983,317,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,568,182.62 : 1,966,141,589.60 = 655,948,700.54 : x
  2. Step 2: Convert to fraction form
    1,311,568,182.62/1,966,141,589.60 = 655,948,700.54/x
  3. Step 3: Cross multiply
    1,311,568,182.62x = 1,966,141,589.60 × 655,948,700.54
  4. Step 4: Simplify right side
    1,311,568,182.62x = 1,289,688,020,775,769,856
  5. Step 5: Solve for x
    x = 1,289,688,020,775,769,856/1,311,568,182.62
  6. Step 6: Final answer
    x = 983,317,556.70

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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.