Home / 1,174,567,610.76-1,620,945,920.64-672,873,356.44

Finding the Fourth Proportional to 1,174,567,610.76, 1,620,945,920.64 and 672,873,356.44

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Solution

The fourth proportional to 1,174,567,610.76, 1,620,945,920.64 and 672,873,356.44 is: 928,589,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,567,610.76 : 1,620,945,920.64 = 672,873,356.44 : x
  2. Step 2: Convert to fraction form
    1,174,567,610.76/1,620,945,920.64 = 672,873,356.44/x
  3. Step 3: Cross multiply
    1,174,567,610.76x = 1,620,945,920.64 × 672,873,356.44
  4. Step 4: Simplify right side
    1,174,567,610.76x = 1,090,691,322,228,762,880
  5. Step 5: Solve for x
    x = 1,090,691,322,228,762,880/1,174,567,610.76
  6. Step 6: Final answer
    x = 928,589,646.30

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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.