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Finding the Fourth Proportional to 651,978,926.16, 899,737,409.16 and 354,628,086

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Solution

The fourth proportional to 651,978,926.16, 899,737,409.16 and 354,628,086 is: 489,390,289.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,978,926.16 : 899,737,409.16 = 354,628,086 : x
  2. Step 2: Convert to fraction form
    651,978,926.16/899,737,409.16 = 354,628,086/x
  3. Step 3: Cross multiply
    651,978,926.16x = 899,737,409.16 × 354,628,086
  4. Step 4: Simplify right side
    651,978,926.16x = 319,072,155,313,009,664
  5. Step 5: Solve for x
    x = 319,072,155,313,009,664/651,978,926.16
  6. Step 6: Final answer
    x = 489,390,289.33

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Why These Related Problems?

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