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Finding the Fourth Proportional to 440,348,849.60, 660,523,274.40 and 133,640,470.40

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Solution

The fourth proportional to 440,348,849.60, 660,523,274.40 and 133,640,470.40 is: 200,460,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,348,849.60 : 660,523,274.40 = 133,640,470.40 : x
  2. Step 2: Convert to fraction form
    440,348,849.60/660,523,274.40 = 133,640,470.40/x
  3. Step 3: Cross multiply
    440,348,849.60x = 660,523,274.40 × 133,640,470.40
  4. Step 4: Simplify right side
    440,348,849.60x = 88,272,641,100,964,272
  5. Step 5: Solve for x
    x = 88,272,641,100,964,272/440,348,849.60
  6. Step 6: Final answer
    x = 200,460,705.60

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