Home / 1,174,567,612.11-1,620,945,922.47-672,873,357.78

Finding the Fourth Proportional to 1,174,567,612.11, 1,620,945,922.47 and 672,873,357.78

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Solution

The fourth proportional to 1,174,567,612.11, 1,620,945,922.47 and 672,873,357.78 is: 928,589,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,567,612.11 : 1,620,945,922.47 = 672,873,357.78 : x
  2. Step 2: Convert to fraction form
    1,174,567,612.11/1,620,945,922.47 = 672,873,357.78/x
  3. Step 3: Cross multiply
    1,174,567,612.11x = 1,620,945,922.47 × 672,873,357.78
  4. Step 4: Simplify right side
    1,174,567,612.11x = 1,090,691,325,632,188,416
  5. Step 5: Solve for x
    x = 1,090,691,325,632,188,416/1,174,567,612.11
  6. Step 6: Final answer
    x = 928,589,648.13

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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.