Home / 380,399,349.97-570,200,817.67-159,197,434.12

Finding the Fourth Proportional to 380,399,349.97, 570,200,817.67 and 159,197,434.12

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Solution

The fourth proportional to 380,399,349.97, 570,200,817.67 and 159,197,434.12 is: 238,629,501.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,399,349.97 : 570,200,817.67 = 159,197,434.12 : x
  2. Step 2: Convert to fraction form
    380,399,349.97/570,200,817.67 = 159,197,434.12/x
  3. Step 3: Cross multiply
    380,399,349.97x = 570,200,817.67 × 159,197,434.12
  4. Step 4: Simplify right side
    380,399,349.97x = 90,774,507,106,504,720
  5. Step 5: Solve for x
    x = 90,774,507,106,504,720/380,399,349.97
  6. Step 6: Final answer
    x = 238,629,501.11

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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.