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Finding the Fourth Proportional to 652,307,363.86, 978,614,250.26 and 215,608,001.29

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Solution

The fourth proportional to 652,307,363.86, 978,614,250.26 and 215,608,001.29 is: 323,462,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,307,363.86 : 978,614,250.26 = 215,608,001.29 : x
  2. Step 2: Convert to fraction form
    652,307,363.86/978,614,250.26 = 215,608,001.29/x
  3. Step 3: Cross multiply
    652,307,363.86x = 978,614,250.26 × 215,608,001.29
  4. Step 4: Simplify right side
    652,307,363.86x = 210,997,062,532,470,464
  5. Step 5: Solve for x
    x = 210,997,062,532,470,464/652,307,363.86
  6. Step 6: Final answer
    x = 323,462,640.81

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Why These Related Problems?

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