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Finding the Fourth Proportional to 630,978,118.25, 870,733,761.54 and 352,521,733.10

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Solution

The fourth proportional to 630,978,118.25, 870,733,761.54 and 352,521,733.10 is: 486,471,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,978,118.25 : 870,733,761.54 = 352,521,733.10 : x
  2. Step 2: Convert to fraction form
    630,978,118.25/870,733,761.54 = 352,521,733.10/x
  3. Step 3: Cross multiply
    630,978,118.25x = 870,733,761.54 × 352,521,733.10
  4. Step 4: Simplify right side
    630,978,118.25x = 306,952,574,686,762,944
  5. Step 5: Solve for x
    x = 306,952,574,686,762,944/630,978,118.25
  6. Step 6: Final answer
    x = 486,471,029.36

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Why These Related Problems?

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