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Finding the Fourth Proportional to 615,317,489.61, 922,978,600.98 and 148,978,136.66

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Solution

The fourth proportional to 615,317,489.61, 922,978,600.98 and 148,978,136.66 is: 223,467,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,317,489.61 : 922,978,600.98 = 148,978,136.66 : x
  2. Step 2: Convert to fraction form
    615,317,489.61/922,978,600.98 = 148,978,136.66/x
  3. Step 3: Cross multiply
    615,317,489.61x = 922,978,600.98 × 148,978,136.66
  4. Step 4: Simplify right side
    615,317,489.61x = 137,503,632,151,054,048
  5. Step 5: Solve for x
    x = 137,503,632,151,054,048/615,317,489.61
  6. Step 6: Final answer
    x = 223,467,777.97

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Why These Related Problems?

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