Home / 1,314,843,113.69-1,814,540,533.85-728,132,249.69

Finding the Fourth Proportional to 1,314,843,113.69, 1,814,540,533.85 and 728,132,249.69

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Solution

The fourth proportional to 1,314,843,113.69, 1,814,540,533.85 and 728,132,249.69 is: 1,004,854,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,843,113.69 : 1,814,540,533.85 = 728,132,249.69 : x
  2. Step 2: Convert to fraction form
    1,314,843,113.69/1,814,540,533.85 = 728,132,249.69/x
  3. Step 3: Cross multiply
    1,314,843,113.69x = 1,814,540,533.85 × 728,132,249.69
  4. Step 4: Simplify right side
    1,314,843,113.69x = 1,321,225,481,065,894,144
  5. Step 5: Solve for x
    x = 1,321,225,481,065,894,144/1,314,843,113.69
  6. Step 6: Final answer
    x = 1,004,854,090.43

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Half scale
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Double scale
Find fourth proportional to 1,314,843,114.69, 1,814,540,535.23 and 728,132,250.69
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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.