Home / 1,312,568,993.25-1,811,235,711.38-740,320,511.00

Finding the Fourth Proportional to 1,312,568,993.25, 1,811,235,711.38 and 740,320,511.00

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Solution

The fourth proportional to 1,312,568,993.25, 1,811,235,711.38 and 740,320,511.00 is: 1,021,580,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,568,993.25 : 1,811,235,711.38 = 740,320,511.00 : x
  2. Step 2: Convert to fraction form
    1,312,568,993.25/1,811,235,711.38 = 740,320,511.00/x
  3. Step 3: Cross multiply
    1,312,568,993.25x = 1,811,235,711.38 × 740,320,511.00
  4. Step 4: Simplify right side
    1,312,568,993.25x = 1,340,894,947,377,532,416
  5. Step 5: Solve for x
    x = 1,340,894,947,377,532,416/1,312,568,993.25
  6. Step 6: Final answer
    x = 1,021,580,544.93

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Half scale
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Double scale
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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.