Home / 1,244,289,945.96-1,717,172,291.16-715,654,079.64

Finding the Fourth Proportional to 1,244,289,945.96, 1,717,172,291.16 and 715,654,079.64

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Solution

The fourth proportional to 1,244,289,945.96, 1,717,172,291.16 and 715,654,079.64 is: 987,632,633.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,289,945.96 : 1,717,172,291.16 = 715,654,079.64 : x
  2. Step 2: Convert to fraction form
    1,244,289,945.96/1,717,172,291.16 = 715,654,079.64/x
  3. Step 3: Cross multiply
    1,244,289,945.96x = 1,717,172,291.16 × 715,654,079.64
  4. Step 4: Simplify right side
    1,244,289,945.96x = 1,228,901,355,613,420,032
  5. Step 5: Solve for x
    x = 1,228,901,355,613,420,032/1,244,289,945.96
  6. Step 6: Final answer
    x = 987,632,633.06

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Double scale
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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.