Home / 831,731,774.40-1,247,597,661.60-218,378,001.60

Finding the Fourth Proportional to 831,731,774.40, 1,247,597,661.60 and 218,378,001.60

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Solution

The fourth proportional to 831,731,774.40, 1,247,597,661.60 and 218,378,001.60 is: 327,567,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,731,774.40 : 1,247,597,661.60 = 218,378,001.60 : x
  2. Step 2: Convert to fraction form
    831,731,774.40/1,247,597,661.60 = 218,378,001.60/x
  3. Step 3: Cross multiply
    831,731,774.40x = 1,247,597,661.60 × 218,378,001.60
  4. Step 4: Simplify right side
    831,731,774.40x = 272,447,884,141,041,024
  5. Step 5: Solve for x
    x = 272,447,884,141,041,024/831,731,774.40
  6. Step 6: Final answer
    x = 327,567,002.40

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