Home / 1,646,568,800.10-2,469,853,200.15-830,275,424.10

Finding the Fourth Proportional to 1,646,568,800.10, 2,469,853,200.15 and 830,275,424.10

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Solution

The fourth proportional to 1,646,568,800.10, 2,469,853,200.15 and 830,275,424.10 is: 1,245,413,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,568,800.10 : 2,469,853,200.15 = 830,275,424.10 : x
  2. Step 2: Convert to fraction form
    1,646,568,800.10/2,469,853,200.15 = 830,275,424.10/x
  3. Step 3: Cross multiply
    1,646,568,800.10x = 2,469,853,200.15 × 830,275,424.10
  4. Step 4: Simplify right side
    1,646,568,800.10x = 2,050,658,413,219,283,456
  5. Step 5: Solve for x
    x = 2,050,658,413,219,283,456/1,646,568,800.10
  6. Step 6: Final answer
    x = 1,245,413,136.15

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Half scale
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Double scale
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Similar ratio
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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.