Home / 385,456,978,623.60-531,943,387,309.98-211,848,271,721.64

Finding the Fourth Proportional to 385,456,978,623.60, 531,943,387,309.98 and 211,848,271,721.64

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Solution

The fourth proportional to 385,456,978,623.60, 531,943,387,309.98 and 211,848,271,721.64 is: 292,357,626,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,456,978,623.60 : 531,943,387,309.98 = 211,848,271,721.64 : x
  2. Step 2: Convert to fraction form
    385,456,978,623.60/531,943,387,309.98 = 211,848,271,721.64/x
  3. Step 3: Cross multiply
    385,456,978,623.60x = 531,943,387,309.98 × 211,848,271,721.64
  4. Step 4: Simplify right side
    385,456,978,623.60x = 112,691,287,255,374,234,648,576
  5. Step 5: Solve for x
    x = 112,691,287,255,374,234,648,576/385,456,978,623.60
  6. Step 6: Final answer
    x = 292,357,626,155.26

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