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Finding the Fourth Proportional to 190,270,359.60, 285,405,539.40 and 190,270,359.60

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Solution

The fourth proportional to 190,270,359.60, 285,405,539.40 and 190,270,359.60 is: 285,405,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,270,359.60 : 285,405,539.40 = 190,270,359.60 : x
  2. Step 2: Convert to fraction form
    190,270,359.60/285,405,539.40 = 190,270,359.60/x
  3. Step 3: Cross multiply
    190,270,359.60x = 285,405,539.40 × 190,270,359.60
  4. Step 4: Simplify right side
    190,270,359.60x = 54,304,214,613,469,960
  5. Step 5: Solve for x
    x = 54,304,214,613,469,960/190,270,359.60
  6. Step 6: Final answer
    x = 285,405,539.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.