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Finding the Fourth Proportional to 630,978,119.82, 870,733,763.70 and 352,521,734.67

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Solution

The fourth proportional to 630,978,119.82, 870,733,763.70 and 352,521,734.67 is: 486,471,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,978,119.82 : 870,733,763.70 = 352,521,734.67 : x
  2. Step 2: Convert to fraction form
    630,978,119.82/870,733,763.70 = 352,521,734.67/x
  3. Step 3: Cross multiply
    630,978,119.82x = 870,733,763.70 × 352,521,734.67
  4. Step 4: Simplify right side
    630,978,119.82x = 306,952,576,809,145,664
  5. Step 5: Solve for x
    x = 306,952,576,809,145,664/630,978,119.82
  6. Step 6: Final answer
    x = 486,471,031.51

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