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Finding the Fourth Proportional to 580,630,218.60, 870,945,327.90 and 521,507,735.40

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Solution

The fourth proportional to 580,630,218.60, 870,945,327.90 and 521,507,735.40 is: 782,261,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,630,218.60 : 870,945,327.90 = 521,507,735.40 : x
  2. Step 2: Convert to fraction form
    580,630,218.60/870,945,327.90 = 521,507,735.40/x
  3. Step 3: Cross multiply
    580,630,218.60x = 870,945,327.90 × 521,507,735.40
  4. Step 4: Simplify right side
    580,630,218.60x = 454,204,725,610,339,392
  5. Step 5: Solve for x
    x = 454,204,725,610,339,392/580,630,218.60
  6. Step 6: Final answer
    x = 782,261,603.10

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