Home / 831,174,341.60-1,245,939,200.40-393,706,107.20

Finding the Fourth Proportional to 831,174,341.60, 1,245,939,200.40 and 393,706,107.20

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Solution

The fourth proportional to 831,174,341.60, 1,245,939,200.40 and 393,706,107.20 is: 590,169,652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,174,341.60 : 1,245,939,200.40 = 393,706,107.20 : x
  2. Step 2: Convert to fraction form
    831,174,341.60/1,245,939,200.40 = 393,706,107.20/x
  3. Step 3: Cross multiply
    831,174,341.60x = 1,245,939,200.40 × 393,706,107.20
  4. Step 4: Simplify right side
    831,174,341.60x = 490,533,872,397,364,736
  5. Step 5: Solve for x
    x = 490,533,872,397,364,736/831,174,341.60
  6. Step 6: Final answer
    x = 590,169,652.56

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